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HD74BC573A Datasheet, PDF (5/9 Pages) Hitachi Semiconductor – Octal D Type Transparent Latches With 3 State Outputs | |||
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Switching Test Method (CL = 50 pF)
Item
Symbol
Ta = 25°C
VCC = 5.0 V
Min
Max
Propagation
delay time
DâQ
LE â Q
Output enable time
Output disable time
Setup time
Hold time
Pulse width
Input capacitanse
Output capacitance
t PLH
t PHL
t PLH
t PHL
t ZH
t ZL
t HZ
t LZ
tS(H)
tS(L)
th(H)
th(L)
tw
CIN
CO
3.0
8.0
3.0
8.0
3.0
8.0
3.0
8.0
3.0
9.0
3.0
9.0
3.0
8.0
3.0
8.0
2.0
â
2.0
â
2.0
â
2.0
â
6.0
â
3.0 (Typ)
15.0 (Typ)
HD74BC573A
Ta = â40 to 85°C
VCC = 5.0 V ±10%
Min
Max
3.0
10.0
3.0
10.0
3.0
10.0
3.0
10.0
3.0
11.0
3.0
11.0
3.0
10.0
3.0
10.0
2.0
â
2.0
â
2.0
â
2.0
â
6.0
â
â
â
Unit Test conditions
ns See under figure
ns
ns
ns
ns
ns
ns
pF VIN = VCC or GND
pF VO = VCC or GND
Test Circuit
VCC
Input
Pulse Generator
Zout = 50 â¦
Input
Pulse Generator
Zout = 50 â¦
VCC
OC
Output
1D to 8D
1Q to 8Q
CL =
LE
50 pF
500 â¦
450 â¦
50 ⦠Scope
Notes:
1. CL includes probe and jig capacitance.
2. OPEN: tPLH, tPHL, tZH, tHZ, th, tS, tw
7 V: tZL, tLZ
*2
OPEN
7V
5
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