English
Language : 

HD74HC323 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – 8-bit Universal Shift/Storage Register (with 3-state Outputs)
HD74HC323
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
— — 31 — 24
Propagation delay tPLH
time
t PHL
2.0
— — 150 — 190 ns Clock to QA’ or QH’
4.5
— 18 30 — 38
6.0
— — 26 — 33
2.0
— — 175 — 220 ns Clock to Q
4.5
— 20 35 — 44
6.0
— — 30 — 37
Output enable
t ZH
time
t ZL
2.0
— — 150 — 190 ns
4.5
— 14 30 — 38
6.0
— — 26 — 33
Output disable
t HZ
time
t LZ
2.0
— — 150 — 190 ns
4.5
— 15 30 — 38
6.0
— — 26 — 33
Output rise/fall
t TLH
time
t THL
2.0
— — 75 — 95 ns QA’, QH’
4.5
— 5 15 — 19
6.0
— — 13 — 16
2.0
— — 60 — 75 ns Q
4.5
— 4 12 — 15
6.0
— — 10 — 13
Input capacitance Cin
—
— 5 10 — 10 pF
5