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Part Name
Description
74173 View Datasheet(PDF) - Hitachi -> Renesas Electronics
Part Name
Description
View to exact match
74173
4-bit D-type Register (with 3-state Outputs)
Hitachi -> Renesas Electronics
74173 Datasheet PDF : 9 Pages
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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
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