HD74HC173 Datasheet, PDF (5/9 Pages) Hitachi Semiconductor – 4-bit D-type Register (with 3-state Outputs)

HD74HC173
AC Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Maximum clock
frequency
Symbol
f _max
V_CC (V)
2.0
4.5
Min Typ Max Min
——5 —
— — 27 —
Max Unit Test Conditions
4
MHz
21
6.0
— — 32 — 25
Propagation delay t_PLH
time
t _PHL
2.0
— — 175 — 220 ns Clock to Q
4.5
— 14 35 — 44
6.0
— — 30 — 37
t _PHL
2.0
— — 150 — 190 ns Clear to Q
4.5
— 14 30 — 38
6.0
— — 26 — 33
Enable time
t _ZH
2.0
— — 150 — 190 ns
t _ZL
4.5
— 12 30 — 38
6.0
— — 26 — 33
Disable time
t _HZ
t _LZ
2.0
— — 150 — 190 ns
4.5
— 12 30 — 38
6.0
— — 26 — 33
Setup time
t _su
2.0
100 — — 125 — ns
4.5
20 4 — 25 —
6.0
17 – — 21 —
Removal time
t _rem
2.0
90 — — 115 — ns
4.5
18 0 — 23 —
6.0
15 — — 20 —
Hold time
t_h
2.0
5 —— 5
— ns
4.5
5 –2 — 5
—
6.0
5 —— 5
—
Pulse width
t_w
2.0
80 — — 100 — ns
4.5
16 4 — 20 —
6.0
14 — — 17 —
Output rise/fall
t _TLH
time
t _THL
2.0
— — 60 — 75 ns
4.5
— 4 12 — 15
6.0
— — 10 — 13
Input capacitance Cin
—
— 5 10 — 10 pF
5