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参数资料
| 型号： | 74AHC273PWDH |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 通用总线功能 |
| 英文描述： | Octal D-type flip-flop with reset; positive-edge trigger |
| 中文描述： | AHC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO20 |
| 封装： | 4.40 MM, PLASTIC, SOT-360-1, TSSOP-20 |
| 文件页数： | 3/20页 |
| 文件大小： | 92K |
| 代理商： | 74AHC273PWDH |
1999 Sep 01
3
Philips Semiconductors
Product specification
Octal D-type flip-flop with reset;
positive-edge trigger
74AHC273; 74AHCT273
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;
↑
= LOW-to-HIGH transition.
ORDERING INFORMATION
PINNING
OPERATING MODES
INPUTS
OUTPUTS
MR
CP
D
n
X
h
l
Q
n
L
L
L
reset (clear)
load ‘1’
load ‘0’
L
H
H
X
↑
↑
OUTSIDE NORTH
AMERICA
NORTH AMERICA
PACKAGES
PINS
PACKAGE
MATERIAL
CODE
74AHC273D
74AHC273PW
74AHCT273D
74AHCT273PW
74AHC273D
74AHC273PW DH
74AHCT273D
7AHCT273PW 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, 5, 6, 9, 12, 15, 16 and 19 Q
0
to Q
7
3, 4, 7, 8, 13, 14, 17 and 18 D
0
to D
7
10
11
20
MR
master reset input (active LOW)
flip-flop outputs
data inputs
ground (0 V)
clock input (LOW-to-HIGH; edge-triggered)
DC supply voltage
GND
CP
V
CC
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