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HD74HC165 Datasheet, PDF (4/9 Pages) Hitachi Semiconductor – Parallel-load 8-bit Shift Register
HD74HC165
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Maximum clock
frequency
Symbol
f max
VCC (V)
2.0
4.5
Min Typ Max Min
——5 —
— — 27 —
Max Unit Test Conditions
4
MHz
21
6.0
— — 32 — 25
Propagation delay tPLH
time
t PHL
2.0
— — 150 — 190 ns Clock to QH or QH
4.5
— 21 30 — 38
6.0
— — 26 — 33
2.0
— — 160 — 200
4.5
— 23 32 — 40
Shift/Load to QH or QH
6.0
— — 27 — 34
2.0
— — 150 — 190
4.5
— 21 30 — 38
H to QH or QH
6.0
— — 26 — 33
Setup time
t su
2.0
100 — — 125 — ns Parallel data inputs to
4.5
20 –3 — 25 —
Shift/Load
6.0
17 — — 21 —
2.0
100 — — 125 —
Sherial input to Clock
4.5
20 3 — 25 —
6.0
17 — — 21 —
2.0
100 — — 125 —
Shift/load to Clock
4.5
20 — — 25 —
6.0
17 — — 21 —
Removal time
t rem
2.0
100 — — 125 — ns Clock to Clock inhibit or
4.5
20 6 — 25 —
Clock inhibit to Clock
6.0
17 — — 21 —
Hold time
th
2.0
5 —— 5
— ns Shift/Load to parallel data input
4.5
5 –3 — 5
—
6.0
5 —— 5
—
2.0
5 —— 5
—
Clock to Serial data input
4.5
5 3 —5
—
6.0
5 —— 5
—
2.0
5 —— 5
—
Clock to Shift/Load
4.5
5 —— 5
—
6.0
5 —— 5
—
4