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HD74HCT374 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops(with inverted 3-state outputs)
HD74HCT374/HD74HCT534
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Test Conditions
Item
Maximum clock
frequency
Symbol Min Typ Max Min Max Unit VCC (V)
f max
— — 30 — 24 MHz 4.5
Propagation delay tPLH
time
t PHL
Output enable
t ZL
time
t ZH
Output disable
t LZ
time
t HZ
Setup time
t su
Hold time
th
Pulse width
tw
Output rise/fall
t TLH
time
t THL
Input capacitance Cin
— 12 28 — 35 ns 4.5
— 15 28 — 35
4.5
— 16 30 — 38 ns 4.5
— 15 30 — 38
4.5
— 13 30 — 38 ns 4.5
— 16 30 — 38
4.5
20 2 — 25 — ns 4.5
5 0 — 6 — ns 4.5
16 5 — 20 — ns 4.5
— 4 12 — 15 ns 4.5
— 5 10 — 10 pF —
Data to clock
Clock to data
Clock, output control
5