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參數(shù)資料
| 型號： | 935263591118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 鎖存器 |
| 英文描述： | AHCT/VHCT SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, MO-153AC, SOT-360-1, TSSOP-20 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 92K |
| 代理商： | 935263591118 |
1999 Sep 01
3
Philips Semiconductors
Product specication
Octal D-type ip-op 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
Dn
Qn
reset (clear)
L
X
L
load ‘1’
H
↑
hL
load ‘0’
H
↑
lL
OUTSIDE NORTH
AMERICA
NORTH AMERICA
PACKAGES
PINS
PACKAGE
MATERIAL
CODE
74AHC273D
20
SO
plastic
SOT163-1
74AHC273PW
74AHC273PW DH
20
TSSOP
plastic
SOT360-1
74AHCT273D
20
SO
plastic
SOT163-1
74AHCT273PW
7AHCT273PW DH
20
TSSOP
plastic
SOT360-1
PIN
SYMBOL
DESCRIPTION
1
MR
master reset input (active LOW)
2, 5, 6, 9, 12, 15, 16 and 19 Q0 to Q7
ip-op outputs
3, 4, 7, 8, 13, 14, 17 and 18 D0 to D7
data inputs
10
GND
ground (0 V)
11
CP
clock input (LOW-to-HIGH; edge-triggered)
20
VCC
DC supply voltage
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