74AHC573D Просмотр технического описания (PDF) - Philips Electronics
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74AHC573D Datasheet PDF : 20 Pages
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Philips Semiconductors
Octal D-type transparent latch; 3-state
Product specification
74AHC573; 74AHCT573
FUNCTION TABLE
See note 1.
OPERATING MODES
OE
Enable and read register
L
(transparent mode)
L
Latch and read register
L
L
Latch register and disable
H
outputs
H
INPUTS
LE
H
H
L
L
L
L
INTERNAL
Dn
LATCHES
L
L
H
H
I
L
h
H
l
L
h
H
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;
Z = high-impedance OFF-state.
OUTPUTS
Q0 to Q7
L
H
L
H
Z
Z
ORDERING INFORMATION
OUTSIDE NORTH
AMERICA
74AHC573D
74AHC573PW
74AHCT573D
74AHCT573PW
NORTH AMERICA
74AHC573D
74AHC573PW DH
74AHCT573D
7AHCT573PW DH
PINS
20
20
20
20
PACKAGES
PACKAGE MATERIAL
SO
TSSOP
SO
TSSOP
plastic
plastic
plastic
plastic
CODE
SOT163-1
SOT360-1
SOT163-1
SOT360-1
PINNING
PIN
1
2 to 9
10
11
12 to 19
20
SYMBOL
OE
D0 to D7
GND
LE
Q7 to Q0
VCC
DESCRIPTION
3-state output enable input (active LOW)
data inputs
ground (0 V)
latch enable input (active HIGH)
3-state latch outputs
DC supply voltage
1999 Sep 27
3
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