74HC373D NXP Semiconductors, 74HC373D Datasheet - Page 4
74HC373D
Manufacturer Part Number
74HC373D
Description
IC, 74HC CMOS, SMD, 74HC373, SOIC20
Manufacturer
NXP Semiconductors
Datasheet
1.74HC373D.pdf
(8 pages)
Specifications of 74HC373D
Latch Type
Transparent
Output Current
7.8mA
Propagation Delay
12ns
No. Of Bits
8
Supply Voltage Range
2V To 6V
Logic Case Style
SOIC
No. Of Pins
20
Operating Temperature Range
-40°C To
Ic Output Type
Tri State Non Inverted
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Philips Semiconductors
September 1993
Octal D-type transparent latch; 3-state
Fig.5 Logic diagram (one latch).
Fig.4 Functional diagram.
Fig.6 Logic diagram.
4
FUNCTION TABLE
Notes
1. H = HIGH voltage level
enable and
read
register
(transparent
mode)
latch and
read register
latch register
and disable
outputs
OPERATING
MODES
h = HIGH voltage level one set-up time prior to the
L = LOW voltage level
I = LOW voltage level one set-up time prior to the
X = don’t care
Z = high impedance OFF-state
HIGH-to-LOW LE transition
HIGH-to-LOW LE transition
OE LE D
H
H
L
L
L
L
INPUTS
H
H
X
X
L
L
H
L
h
X
X
l
n
INTERNAL
LATCHES
74HC/HCT373
Product specification
H
H
X
X
L
L
OUTPUTS
Q
0
to Q
H
H
L
L
Z
Z
7