参数资料
型号: 74AHC573
厂商: NXP Semiconductors N.V.
英文描述: Quadruple 2-Input Positive-NAND Gates With Open-Drain Outputs 14-SOIC -40 to 85
中文描述: 八路D型透明锁存器,三态
文件页数: 3/20页
文件大小: 91K
代理商: 74AHC573
1999 Sep 27
3
Philips Semiconductors
Product specification
Octal D-type transparent latch; 3-state
74AHC573; 74AHCT573
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;
Z = high-impedance OFF-state.
ORDERING INFORMATION
PINNING
OPERATING MODES
INPUTS
INTERNAL
LATCHES
OUTPUTS
OE
LE
D
n
L
H
I
h
l
h
Q
0
to Q
7
L
H
L
H
Z
Z
Enable and read register
(transparent mode)
L
L
L
L
H
H
H
H
L
L
L
L
L
H
L
H
L
H
Latch and read register
Latch register and disable
outputs
OUTSIDE NORTH
AMERICA
NORTH AMERICA
PACKAGES
PINS
PACKAGE
MATERIAL
CODE
74AHC573D
74AHC573PW
74AHCT573D
74AHCT573PW
74AHC573D
74AHC573PW DH
74AHCT573D
7AHCT573PW DH
20
20
20
20
SO
plastic
plastic
plastic
plastic
SOT163-1
SOT360-1
SOT163-1
SOT360-1
TSSOP
SO
TSSOP
PIN
SYMBOL
DESCRIPTION
1
2 to 9
10
11
12 to 19
20
OE
D
0
to D
7
GND
LE
Q
7
to Q
0
V
CC
3-state output enable input (active LOW)
data inputs
ground (0 V)
latch enable input (active HIGH)
3-state latch outputs
DC supply voltage
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