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HD74HCT373 Datasheet, PDF (4/9 Pages) Hitachi Semiconductor – Octal D-type Transparent Latches(with inverted 3-state outputs)
HD74HCT373, HD74HCT533
Electrical Characteristics
Item
Input voltage
Output voltage
Off-state output
current
Input current
Quiescent current
Symbol VCC (V)
VIH 4.5 to 5.5
VIL 4.5 to 5.5
VOH
4.5
4.5
VOL
4.5
4.5
IOZ
5.5
Iin
5.5
ICC
5.5
Ta = 25°C
Min Typ Max
2.0 — —
— — 0.8
4.4 — —
4.18 — —
— — 0.1
— — 0.26
— — ±0.5
— — ±0.1
— — 4.0
Ta = –40 to+85°C
Min Max
2.0
—
—
0.8
4.4
—
4.13
—
—
0.1
—
0.33
—
±5.0
—
±1.0
—
40
Unit
V
V
V
V
µA
µA
µA
Test Conditions
Vin = VIH or VIL IOH = –20 µA
IOH = –6 mA
Vin = VIH or VIL IOL = 20 µA
IOL = 6 mA
Vin = VIH or VIL,
Vout = VCC or GND
Vin = VCC or GND
Vin = VCC or GND, Iout = 0 µA
Switching Characteristics
Item
Symbol VCC (V)
Propagation delay tPLH
4.5
time
tPHL
4.5
tPLH
4.5
tPHL
4.5
Output enable time tZL
4.5
tZH
4.5
Output disable
tLZ
4.5
time
tHZ
4.5
Setup time
tsu
4.5
Hold time
th
4.5
Pulse width
tw
4.5
Output rise/fall
tTLH
4.5
time
tTHL
Input capacitance Cin
—
Ta = 25°C
Min Typ Max
— 13 30
— 16 30
— 14 25
— 12 25
— 16 30
— 15 30
— 14 30
— 16 30
20 — —
10 — —
16 — —
— 4 12
Ta = –40 to +85°C
Min
Max
—
38
—
38
—
31
—
31
—
38
—
38
—
38
—
38
25
—
13
—
20
—
—
15
— 5 10
—
10
(CL = 50 pF, Input tr = tf = 6 ns)
Unit
Test Conditions
ns Latch control to Q
ns Data to Q
ns
ns
ns Data to latch control
ns Latch control to data
ns Latch control, output control
ns
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 kΩ S1
CL =
50 pF
OPEN
GND
VCC
TEST
tPLH / tPHL
tZH / tHZ
tZL / tLZ
S1
OPEN
GND
VCC
Note : 1. CL includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 4 of 8