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TC7MA541FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7MA541FK
Low-Voltage Octal Bus Buffer with 3.6 V Tolerant Inputs and Outputs
The TC7MA541FK is a high performance CMOS octal bus buffer which is guaranteed to operate from 1.2-V to 3.6-V. Designed for use in 1.5V, 1.8 V, 2.5 V or 3.3 V systems, it achieves high speed operation while maintaing the CMOS low power dissipation. It is also designed with over voltage tolerant inputs and outputs up to 3.6 V. The device is a non-inverting 3-state buffer having two active-low output enables. When either OE1 or OE2 are high, the terminal outputs are in the high-impedance state. This device is designed to be used with 3-state memory address drivers, etc. All inputs are equipped with protection circuits against static discharge.
Weight: 0.03 g (typ.)
Features
* * Low voltage operation: VCC = 1.2~3.6 V High speed operation: tpd = 3.5 ns (max) (VCC = 3.0~3.6 V) tpd = 4.2 ns (max) (VCC = 2.3~2.7 V) tpd = 8.4 ns (max) (VCC = 1.65~1.95 V) tpd = 16.8 ns (max) (VCC = 1.4~1.6 V) tpd = 42.0 ns (max) (VCC = 1.2 V) * * 3.6 V tolerant inputs and outputs. Output current: IOH/IOL = 24 mA (min) (VCC = 3.0 V) IOH/IOL = 18 mA (min) (VCC = 2.3 V) IOH/IOL = 6 mA (min) (VCC = 1.65 V) IOH/IOL = 2 mA (min) (VCC = 1.4 V) * * * * Latch-up performance: -300 mA ESD performance: Machine model 200 V Human body model 2000 V Package: VSSOP (US) Power down protection is provided on all inputs and outputs.
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Pin Assignment (top view)
OE1 A1 A2 A3 A4 A5 A6 A7 A8 1 2 3 4 5 6 7 8 9
20 19 18 17 16 15 14 VCC
IEC Logic Level
(1) (19) &
OE1 OE2
EN
OE2
Y1 Y2 Y3 Y4
A1 A2 A3 A4 A5 A6 A7 A8
Y5 Y6 Y7 Y8
(2) (3) (4) (5) (6) (7) (8) (9)
(18) (17) (16) (15) (14) (13) (12) (11)
Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8
13 12 11
GND 10
Truth Table
Inputs Outputs An X X H L Z Z H L
OE1
H X L L
OE2
X H L L
X: Don't care Z: High impedance
Absolute Maximum Ratings (Note 1)
Characteristics Power supply voltage DC input voltage DC output voltage Input diode current Output diode current DC output current Power dissipation DC VCC/ground current Storage temperature Symbol VCC VIN VOUT IIK IOK IOUT PD ICC/IGND Tstg Rating -0.5~4.6 -0.5~4.6 -0.5~4.6 -50 50 50 180 100 -65~150 (Note 4) (Note 2) -0.5~VCC + 0.5 (Note 3) Unit V V V mA mA mA mW mA C
Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/"Derating Concept and Methods") and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 2: VCC = 0 V Note 3: High or low state. IOUT absolute maximum rating must be observed. Note 4: VOUT < GND, VOUT > VCC
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Operating Ranges (Note 1)
Characteristics Supply voltage Input voltage Output voltage Symbol VCC VIN VOUT Rating 1.2~3.6
-0.3~3.6
Unit V V (Note 2) (Note 3) (Note 4) (Note 5) (Note 6) (Note 7) C (Note 8) ns/V mA V
0~3.6 0~VCC
24
Output current
IOH/IOL
18 6 2
Operating temperature Input rise and fall time
Topr dt/dv
-40~85
0~10
Note 1: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND. Note 2: Off-state Note 3: High or low state Note 4: VCC = 3.0~3.6 V Note 5: VCC = 2.3~2.7 V Note 6: VCC = 1.65~1.95 V Note 7: VCC = 1.4~1.6 V Note 8: VIN = 0.8~2.0 V, VCC = 3.0 V
Electrical Characteristics
< DC Characteristics (Ta = -40~85C, 2.7 V < VCC = 3.6 V)
Characteristics High level Low level Symbol VIH VIL Test Condition

VCC (V) 2.7~3.6 2.7~3.6 2.7~3.6 2.7 3.0 3.0 2.7~3.6 2.7 3.0 3.0 2.7~3.6 2.7~3.6 0 2.7~3.6 2.7~3.6 2.7~3.6
Min 2.0
Max
Unit
Input voltage
0.8

V
IOH = -100 A High level VOH VIN = VIH or VIL IOH = -12 mA IOH = -18 mA Output voltage IOH = -24 mA IOL = 100 A Low level VOL VIN = VIH or VIL IOL = 12 mA IOL = 18 mA IOL = 24 mA Input leakage current 3-state output off-state current Power off leakage current IIN IOZ IOFF ICC
ICC
VCC - 0.2 2.2 2.4 2.2

V
0.2 0.4 0.4 0.55
5.0 10.0 A A A
VIN = 0~3.6 V VIN = VIH or VIL VOUT = 0~3.6 V VIN, VOUT = 0~3.6 V VIN = VCC or GND VCC < (VIN, VOUT) < 3.6 V = = VIH = VCC - 0.6 V (per input)
10.0 20.0
20.0
Quiescent supply current
A
750
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< < DC Characteristics (Ta = -40~85C, 2.3 V = VCC = 2.7 V)
Characteristics High level Low level Symbol VIH VIL Test Condition

VCC (V) 2.3~2.7 2.3~2.7
Min 1.6
Max
Unit
Input voltage
0.7

V
IOH = -100 A High level Output voltage VOH VIN = VIH or VIL IOH = -6 mA IOH = -12 mA IOH = -18 mA IOL = 100 A Low level VOL VIN = VIH or VIL IOL = 12 mA IOL = 18 mA Input leakage current 3-state output off-state current Power off leakage current Quiescent supply current IIN IOZ IOFF ICC VIN = 0~3.6 V VIN = VIH or VIL VOUT = 0~3.6 V VIN, VOUT = 0~3.6 V VIN = VCC or GND VCC < (VIN, VOUT) < 3.6 V = =
2.3~2.7 2.3 2.3 2.3 2.3~2.7 2.3 2.3 2.3~2.7 2.3~2.7 0 2.3~2.7 2.3~2.7
VCC - 0.2 2.0 1.8 1.7

V
0.2 0.4 0.6
5.0 10.0 A A A A
10.0 20.0
20.0
< DC Characteristics (Ta = -40~85C, 1.65 V = VCC < 2.3 V)
Characteristics High level Input voltage Low level VIL
Symbol VIH
Test Condition
VCC (V) 1.65~2.3 1.65~2.3
Min 0.65 x VCC
Max
Unit
0.2 x VCC

V
High level Output voltage Low level Input leakage current 3-state output off-state current Power off leakage current Quiescent supply current
VOH
VIN = VIH or VIL
IOH = -100 A IOH = -6 mA
1.65~2.3 1.65 1.65~2.3 1.65 1.65~2.3 1.65 0 1.65~2.3 1.65~2.3
VCC - 0.2 1.25

V
VOL IIN IOZ IOFF ICC
VIN = VIH or VIL VIN = 0~3.6 V VIN = VIH or VIL VOUT = 0~3.6 V VIN, VOUT = 0~3.6 V VIN = VCC or GND
IOL = 100 A IOL = 6 mA
0.2 0.3
5.0 10.0 A A A A
10.0 20.0
20.0
VCC < (VIN, VOUT) < 3.6 V = =
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< DC Characteristics (Ta = -40~85C, 1.4 V = VCC<1.65 V)
Characteristics High level Input voltage Low level VIL
Symbol VIH
Test Condition
VCC (V) 1.4~1.65 1.4~1.65
Min 0.65 x VCC
Max
Unit
0.05 x VCC

V
High level Output voltage Low level Input leakage current 3-state output off-state current Power off leakage current Quiescent supply current
VOH
VIN = VIH or VIL
IOH = -100 A IOH = -2 mA
1.4~1.65 1.4 1.4~1.65 1.4 1.4~1.65 1.4~1.65 0 1.4~1.65 1.4~1.65
VCC - 0.2 1.05

V
VOL IIN IOZ IOFF ICC
VIN = VIH or VIL VIN = 0~3.6 V VIN = VIH or VIL VOUT = 0~3.6 V VIN, VOUT = 0~3.6 V VIN = VCC or GND
IOL = 100 A IOL = 2 mA
0.05 0.35
5.0 10.0 A A A A
10.0 20.0
20.0
VCC < (VIN, VOUT) < 3.6 V = =
< DC Characteristics (Ta = -40~85C, 1.2 V = VCC < 1.4 V)
Characteristics Symbol Test Condition

VCC (V) 1.2~1.4 1.2~1.4
Min 0.8 x VCC
Max
Unit
High level Input voltage Low level High level Low level Input leakage current 3-state output off-state current Power off leakage current Quiescent supply current
VIH VIL VOH VOL IIN IOZ IOFF ICC VIN = VIH or VIL VIN = VIH or VIL VIN = 0~3.6 V VIN = VIH or VIL VOUT = 0~3.6 V VIN, VOUT = 0~3.6 V VIN = VCC or GND
0.05 x VCC
V
Output voltage
IOH = -100 A IOL = 100 A
1.2 1.2 1.2 1.2 0 1.2 1.2
VCC - 0.1

V
A A A A
0.05
5.0 10.0
10.0 20.0
20.0
VCC < (VIN, VOUT) < 3.6 V = =
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AC Characteristics (Ta = -40~85C, Input: tr = tf = 2.0 ns)
Characteristics Symbol Test Condition VCC (V) 1.2 1.5 0.1 1.8 0.15 CL = 30 pF, RL = 500 2.5 0.2 3.3 0.3 CL = 15 pF, RL = 2 k 3-state output enable time tpZL tpZH Figure 1, Figure 3 CL = 30 pF, RL = 500 1.2 1.5 0.1 1.8 0.15 2.5 0.2 3.3 0.3 CL = 15 pF, RL = 2 k 3-state output disable time tpLZ tpHZ Figure 1, Figure 3 CL = 30 pF, RL = 500 1.2 1.5 0.1 1.8 0.15 2.5 0.2 3.3 0.3 CL = 15 pF, RL = 2 k Output to output skew tosLH tosHL (Note) CL = 30 pF, RL = 500 1.2 1.5 0.1 1.8 0.15 2.5 0.2 3.3 0.3 Min 1.5 1.0 1.5 0.8 0.6 1.5 1.0 1.5 0.8 0.6 1.5 1.0 1.5 0.8 0.6

Max 42.0 16.8 8.4 4.2 3.5 49.0 19.6 9.8 5.5 4.5 32.5 13.0 6.5 3.6 3.3 1.5 1.5 0.5 0.5 0.5
Unit
CL = 15 pF, RL = 2 k Propagation delay time tpLH tpHL Figure 1, Figure 2
ns
ns
ns
ns
For CL = 50 pF, add approximately 300 ps to the AC maximum specification. Note: This parameter is guaranteed by design. (tosLH = |tpLHm - tpLHn|, tosHL = |tpHLm - tpHLn|)
Dynamic Switching Characteristics (Ta = 25C, Input: tr = tf = 2.0 ns, CL = 30 pF)
Characteristics Symbol Test Condition VIH = 1.8 V, VIL = 0 V Quiet output maximum dynamic VOL VOLP VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V VIH = 1.8 V, VIL = 0 V Quiet output minimum dynamic VOL VOLV VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V VIH = 1.8 V, VIL = 0 V Quiet output minimum dynamic VOH VOHV VIH = 2.5 V, VIL = 0 V VIH = 3.3 V, VIL = 0 V (Note) (Note) (Note) (Note) (Note) (Note) (Note) (Note) (Note) VCC (V) 1.8 2.5 3.3 1.8 2.5 3.3 1.8 2.5 3.3 Typ. 0.25 0.6 0.8
-0.25 -0.6 -0.8
Unit
V
V
1.5 1.9 2.2 V
Note: This parameter is guaranteed by design.
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Capacitive Characteristics (Ta = 25C)
Characteristics Input capacitance Output capacitance Power dissipation capacitance Symbol CIN CO CPD fIN = 10 MHz Test Condition

VCC (V) 1.8, 2.5, 3.3 1.8, 2.5, 3.3 (Note) 1.8, 2.5, 3.3
Typ. 6 7 20
Unit pF pF pF
Note: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC (opr) = CPDVCCfIN + ICC/8 (per bit)
AC Test Circuit
6.0 V or VCC x 2 Open GND Measure
CL RL
Switch
RL
Output
Parameter tpLH, tpHL 6.0 V VCC x 2
Switch Open @VCC = 3.3 0.3 V @VCC = 2.5 0.2 V @VCC = 1.8 0.15 V @VCC = 1.5 0.1 V @VCC = 1.2 V GND Symbol 3.3 0.3 V 2.5 0.2 V 1.8 0.15 V 500 30pF
VCC 1.5 0.1 V 1.2 V 2k 15pF
tpLZ, tpZL
RL CL
tpHZ, tpZH
Figure 1
AC Waveform
tr 2.0 ns Input (A) tf 2.0 ns 90% VM 10% VIH GND VOH VM tpLH tpHL VOL
Output (Y)
Figure 2 tpLH, tpHL
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tr 2.0 ns Output Enable Control ( OE ) tpLZ Output (Y) Low to Off to Low tpHZ
tf 2.0 ns 90% VM VIH 10% tpZL 3.0 V or VCC VX VM tpZH VOL VOH VM GND Outputs disabled Outputs enabled GND
Output (Y) High to Off to High Outputs enabled
VY
Figure 3 tpLZ, tpHZ, tpZL, tpZH
Symbol VIH VM VX VY VCC 3.3 0.3 V 2.7 V 1.5 V VOL + 0.3 V VOH - 0.3 V 2.5 0.2 V VCC VCC/2 VOL + 0.15 V VOH - 0.15 V 1.8 0.15 V VCC VCC/2 VOL + 0.15 V VOH - 0.15 V 1.5 0.1 V VCC VCC/2 VOL + 0.1 V VOH - 0.1 V 1.2 V VCC VCC/2 VOL + 0.1 V VOH - 0.1 V
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Package Dimensions
Weight: 0.03 g (typ.)
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RESTRICTIONS ON PRODUCT USE
* The information contained herein is subject to change without notice.
20070701-EN GENERAL
* TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk. * The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties. * Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations.
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