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參數(shù)資料
| 型號： | 7AHCT374PWDH |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal D-type flip-flop; positive edge-trigger; 3-state |
| 中文描述： | 八路D型觸發(fā)器，上升沿觸發(fā)，三態(tài) |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 93K |
| 代理商： | 7AHCT374PWDH |
1999 Sep 28
3
Philips Semiconductors
Product specification
Octal D-type flip-flop; positive edge-trigger; 3-state
74AHC374;
74AHCT374
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;
X = don’t care;
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
74AHC374D
74AHC374PW
74AHCT374D
74AHCT374PW
74AHC374D
74AHC374PW DH
74AHCT374D
7AHCT374PW 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
3, 4, 7, 8, 13, 14,
17 and 18
10
11
20
OE
Q
0
to Q
7
3-state output enable input (active LOW)
3-state flip-flop outputs
D
0
to D
7
data inputs
GND
CP
V
CC
ground (0 V)
clock input (LOW-to-HIGH, edge triggered)
DC supply voltage
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