参数资料
型号: 74AHCT574PWDH
厂商: NXP SEMICONDUCTORS
元件分类: 通用总线功能
英文描述: Octal D-type flip-flop; positive edge-trigger; 3-state
中文描述: AHCT/VHCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
文件页数: 3/20页
文件大小: 91K
代理商: 74AHCT574PWDH
1999 Jun 16
3
Philips Semiconductors
Product specification
Octal D-type flip-flop; positive edge-trigger; 3-state
74AHC574;
74AHCT574
FUNCTION TABLE
See note 1.
Note
1.
H = HIGH voltage level;
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition;
Z = high-impedance OFF-state;
= LOW-to-HIGH CP transition.
ORDERING INFORMATION
PINNING
OPERATING MODES
INPUTS
INTERNAL
FLIP-FLOPS
OUTPUTS
OE
CP
D
n
I
h
l
h
Q
0
to Q
7
L
H
Z
Z
Load and read register
L
L
H
H
L
H
L
H
Load register and disable outputs
OUTSIDE NORTH
AMERICA
NORTH AMERICA
PACKAGES
PINS
PACKAGE
MATERIAL
CODE
74AHC574D
74AHC574PW
74AHCT574D
74AHCT574PW
74AHC574D
74AHC574PW DH
74AHCT574D
74AHCT574PW 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, 3, 4, 5, 6, 7, 8 and 9
10
11
19, 18, 17, 16, 15, 14, 13 and 12
20
OE
D
0
to D
7
GND
CP
Q
0
to Q
7
V
CC
3-state output enable input (active LOW)
data inputs
ground (0 V)
clock input (LOW-to-HIGH, edge triggered)
3-state flip-flop outputs
DC supply voltage
相关PDF资料
PDF描述
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相关代理商/技术参数
参数描述
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