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TECHNICAL DATA
SQUAD 3-STATE NONINVERTING BUFFERS
KK74VHC125 is high-speed logic IC made by CMOS technology and designed for use in high-performance calculating systems with a wide supply voltage range. As for operation speed, KK74VHC125 can be compared with equivalent bipolar ICs based on Schottky TTL and two times surpasses ICs of KK74 series. KK74VHC125 tolerates operation under conditions when voltage on input is exceeded up to 7V without affecting characteristics and IC reliability. This possibility allows to use KK74VHC125 in radio-electronic devices for interfacing with supply voltages 5V and 3V, eliminate IC failure under supply voltage source emergency outage. Use of output edge shaping block in the microcircuit allows to reduce noise amplitude of noises when switching outputs into the same state simultaneously. Input and output levels of KK74VHC125 are compatible with CMOS levels
KK74VHC125
ORDERING INFORMATION KK74VHC125N Plastic KK74VHC125D SOIC TA = -40 to 85 C for all packages
Features: * Supply voltage range 2.0 to 5.5 V. * Output current 8 mA. * Low consumption current: 0.2 mkA (typical value) at = 25 . * Latchup current not less than 300 mA at = 85 . * Tolerable value of static potential not less than 2000 V as per human body model (HBM) and not less than 200 V as per machine model (). * Ambient operation temperature minus 40 to plus 85 . * Balanced signal propagation delay. * Ensures voltage exceeding mode on input * Low noise level at the simultaneous switching of outputs in the same state: VOLP = 0.8 V (max). * For pins and functions, compatible with KK74125. .
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KK74VHC125
KK74VHC125 truth table
Input Output
G H L L
A X L H
Y Z L H
Note - H - high voltage level; L - low voltage level; X - any voltage level (low or high); Z - output in the third
Pinout
G1
01
14 13 12 11 10 09 08
VCC G4 A4 Y4 G3 A3 Y3
A1 02 Y1 03 G2 04 A2 05 Y2 06 GND 07
Pins description in KK74VHC125
Pin No. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 Symbol G1 A1 Y1 G2 A2 Y2 GND Y3 A3 G3 Y4 A4 G4 VCC Description Input ENABLE OUTPUT Input Output Input ENABLE OUTPUT Input Output Common output Output Input Input ENABLE OUTPUT Output Input Input ENABLE OUTPUT Supply output from voltage source
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KK74VHC125
Absolute maximum conditions* Parameter, unit
Supply voltage, V Input voltage, V Output voltage, V Input diode current, mA Current of common output and supply output, mA Output current, mA Output diode current, mA Dissipated power, mW
Symbol min
VCC Vin Vout Iik Icc Iout Iok Pd -0.5 -0.5 -0.5 - - - - -
Value max
7.0 7.0 Vcc+0.5V -20 50 25 20 180
*Under absolute maximum conditions operation of microcircuit is not guaranteed. Operation is guaranteed under maximum conditions
Maximum conditions Parameter, unit Symbol min
Supply voltage, V Input voltage,V Output voltage, V Output current, mA Input rise and fall time, ns/V at Vcc = (3.3 0.3) V at Vcc = (5.0 0.5) V VCC Vin Vout Iout tLH, tHL 2.0 0 0 - 0 0
Value max
5.5 VCC VCC 8.0 100 20
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KK74VHC125
DC electrical characteristics
Value Symbo l VIH Parameter High input voltage Test conditions - VCC, V 2.0 25 C min 1.5 max - - 0.5 0.3Vcc - - - - - - 0.09 0.09 0.09 0.09 0.36 0.36 0.25 0.1 4.0 -40 to 85 C min max 1.5 - 0.7Vcc - - 1.9 2.9 4.4 5.4 2.48 3.80 - - - - - - - 0.5 0.3Vcc - - - - - - 0.1 0.1 0.1 0.1 0.44 0.44 2.5 1.0 40.0 mkA Unit
V
3.0-5.5 0.7Vcc VIL Low input voltage - 2.0 3.0-5.5 2.0 3.0 4.5 5.5 3.0 4.5 2.0 3.0 4.5 5.5 - - 1.92 2.92 4.42 5.52 2.58 3.94 - - - - - - -
VOH High output voltage
VI = VIH or VIL IO = -50 mkA
VOL
Low output voltage
VI = VIH or VIL; IO = -4 mA VI = VIH or VIL; IO = -8 mA VI = VIH orVIL IO = 50 mkA
IOZ II ICC
VI = VIH or VIL 3.0 IO = 4 mA VI = VIH or VIL 4.5 IO = 8 mA Output current in VI = VIH or VIL 5.5 VO = VCC or 0V "off" state Input current VI = 5.5V or 0V 0 - 5.5 Consumption current VI =VCC or 0V 5.5
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KK74VHC125
AC electrical characteristics (tLH = tHL = 3.0 ns)
Symbol tPHL, tPLH Parameter Test conditi VCC, V ons Value CL, pF 15 50 15 50 50 50 15 50 15 50 50 50 -40 to 85 C min max min max 8.0 9.5 11.5 13.0 5.5 6.5 7.5 8.5 - 13.2 - 15.0 25 C - - - - - - - 8.8 8.0 11.5 5.1 7.1 1.5 1.0 - - - - - - - 10.0 9.5 13.0 6.0 8.0 1.5 1.0 Unit ns
Propagation delay time Figure 3.3 0.3 when switching "on", 1 "off" 5.0 0.5
tPHZ , tPLZ Propagation delay time Figure 3.3 0.3 under transition from 2 high , low level into "off" 5.0 0.5 state tPZH , tPZL Propagation delay time Figure under transition from 2 off state into high, low level tOSLH, tOSHL Propagation delays - difference between outputs 3.3 0.3 5.0 0.5 3.3 0.3 5.5 0.5
Capacitance characteristics
Symbol CI CO CD Parameter Input capacity Output capacity Dynamic capacity Test conditions VI = 0 V orVCC VCC, V 5.0 5.0 5.0 Value 25 C min max 10 12 28
Unit pF pF pF
Noise characteristics (CL = 50 pF)
Parameter Symbol VOLP VOLV VIHD VILD VCC, V Positive noise of low output voltage 5.0 Negative noise of low output 5.0 voltage Input dynamic high voltage Input dynamic low voltage 5.0 5.0 min -0.8 3.5 Value max 0.8 1.5 Unit V
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KK74VHC125
- Time diagram of input and output pulses
tLH 0.9 A 0.1 tPLH 0.5 0.5 0.1 tPHL VCC 0.5 0.5 0V GND tHL 0.9 VCC
Y
Fig. 1
tHL G 0.9 0.5 0.1 tPZH Y 0.5 0.1
tLH 0.9 0.5
VCC
0V 0.9 tPHZ 0V VCC VOH
tPLZ Y 0.5 tPZL 0.1
VOL
Fig.2
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KK74VHC125
N SUFFIX PLASTIC DIP (MS - 001AA)
A 14 8 B 1 7
Dimension, mm Symbol A B C MIN 18.67 6.1 MAX 19.69 7.11 5.33 0.36 1.14 2.54 7.62 0 2.92 7.62 0.2 0.38 10 3.81 8.26 0.36 0.56 1.78
F
L
D F
C -T- SEATING N G D 0.25 (0.010) M T K
PLANE
G H
H J
M
J K L M N
NOTES: 1. Dimensions "A", "B" do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side.
D SUFFIX SOIC (MS - 012AB) Dimension, mm
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A 14
Symbol A
MIN 8.55 3.8 1.35 0.33 0.4 1.27 5.27 0 0.1 0.19 5.8 0.25
MAX 8.75 4 1.75 0.51 1.27
H
B
P
B C
1
G
7 C R x 45
D F G
-TD 0.25 (0.010) M T C M K
SEATING PLANE
H
J F M
J K M P R
8 0.25 0.25 6.2 0.5
NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B 0.25 mm (0.010) per side.
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