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| HD74LVC16240A Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – 16-bit Buffers / Line Drivers with 3-state Outputs | |||
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HD74LVC16240A
Test Circuit
VCC
VCC
Input
Pulse Generator
Zout = 50 â¦
1G to 4G
1Y1 to 4Y4
1A1 to 4A4
Output
CL =
50 pF
500 ⦠S1
450 â¦
50 ⦠Scope
OPEN
*1 See under table
GND
Note: 1. CL includes probe and jig capacitance.
Symbol
tPLH / t PHL
tZH/ t HZ
tZL / t LZ
S1
Vcc=2.7V,
3.3±0.3V
Vcc=5.0±0.5V
OPEN OPEN
GND
GND
6V
2ÃVcc
Waveforms â 1
Input A
10 %
tr
90 %
Vref
tPHL
tf
90 %
Vref
10 %
tPLH
Output Y
Vref
Vref
Notes: 1. tr = 2.5 ns, tf = 2.5 ns
2. Input waveform : PRR = 10 MHz, duty cycle 50%
VIH
GND
VOH
VOL
Rev.4.00 Jul. 29, 2004 page 5 of 7
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