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74AHC373 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. 74AHC373
Description  Octal D-type transparent latch; 3-state
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74AHC373 Datasheet(HTML) 3 Page - NXP Semiconductors

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1999 Nov 23
3
Philips Semiconductors
Product specification
Octal D-type transparent latch; 3-state
74AHC373; 74AHCT373
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition;
X = don’t care;
Z = high-impedance OFF-state.
ORDERING INFORMATION
PINNING
OPERATING MODES
INPUTS
INTERNAL
LATCHES
OUTPUTS
OE
LE
Dn
Q0 to Q7
Enable and read register
(transparent mode)
L
H
LLL
L
HHHH
Latch and read register
L
L
I
L
L
LLh
H
H
Latch register and
disable outputs
H
XXX
Z
H
XXX
Z
OUTSIDE NORTH
AMERICA
NORTH AMERICA
PACKAGES
PINS
PACKAGE
MATERIAL
CODE
74AHC373D
74AHC373D
20
SO
plastic
SOT163-1
74AHC373PW
74AHC373PW DH
20
TSSOP
plastic
SOT360-1
74AHCT373D
74AHCT373D
20
SO
plastic
SOT163-1
74AHCT373PW
7AHCT373PW DH
20
TSSOP
plastic
SOT360-1
PIN
SYMBOL
DESCRIPTION
1
OE
output enable input (active LOW)
2, 5, 6, 9, 12, 15, 16
and 19
Q0 to Q7
latch outputs
3, 4, 7, 8, 13, 14, 17
and 18
D0 to D7
data inputs
10
GND
ground (0 V)
11
LE
latch enable input (active HIGH)
20
VCC
DC supply voltage


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