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HD74HC373 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – Octal D-type Transparent Latches (with 3-state outputs),Octal D-type Transparent Latches (with inverted 3-state outputs)
HD74HC373, HD74HC533
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Item
Propagation delay
time
Output enable
time
Output disable
time
Setup time
Hold time
Pulse width
Output rise/fall
time
Input capacitance
Symbol VCC (V)
tPLH
2.0
tPHL
4.5
6.0
tPLH
2.0
tPHL
4.5
6.0
tZL
2.0
4.5
6.0
tZH
2.0
4.5
6.0
tLZ
2.0
4.5
6.0
tHZ
2.0
4.5
6.0
tsu
2.0
4.5
6.0
th
2.0
4.5
6.0
tw
2.0
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
Cin
—
Ta = 25°C
Min Typ
— — 150
— 18 30
— — 26
— — 125
— 16 25
— — 21
— — 150
— 12 30
— — 26
— — 150
— 15 30
— — 26
— — 150
— 13 30
— — 26
— — 150
— 16 30
— — 26
100 — —
20 1 —
17 — —
50 — —
10 1 —
9 ——
80 — —
16 6 —
14 — —
— — 60
— 4 12
— — 10
— 5 10
Ta = –40 to +85°C
Max Unit
Test Conditions
—
190 ns G to Q
—
38
—
33
—
155 ns D to Q
—
31
—
26
—
190 ns
—
38
—
33
—
190 ns
—
38
—
33
—
190 ns
—
38
—
33
—
190 ns
—
38
—
33
125
—
ns
25
—
21
—
65
—
ns
13
—
11
—
100
—
ns
20
—
17
—
—
75
ns
—
15
—
13
—
10
pF
Test Circuit
VCC
Input
Pulse Generator
Zout = 50 Ω
Input
Pulse Generator
Zout = 50 Ω
VCC
Output
OC 1Q to 8Q
or
1Q to 8Q
1D to 8D
Enable G
1 k Ω S1
CL =
50 pF
OPEN
GND
VCC
TEST
tPLH / t PHL
tZH/ t HZ
tZL / t LZ
S1
OPEN
GND
VCC
Note : 1. CL includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 5 of 9