参数资料
型号: SN74ALS74ADG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 锁存器
英文描述: ALS SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
封装: GREEN, PLASTIC, SOIC-14
文件页数: 11/18页
文件大小: 710K
代理商: SN74ALS74ADG4
SN54ALS74A, SN54AS74A, SN74ALS74A, SN74AS74A
DUAL POSITIVEEDGETRIGGERED DTYPE FLIPFLOPS
WITH CLEAR AND PRESET
SDAS143C APRIL 1982 REVISED AUGUST 1995
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
logic symbol
S
4
3
1CLK
1D
2
1D
R
1
1Q
5
6
C1
10
11
2CLK
12
2D
13
2Q
9
8
1PRE
2PRE
1CLR
2CLR
1Q
2Q
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
logic diagram (positive logic)
PRE
CLR
Q
CLK
D
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54ALS74A
55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS74A
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
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SN74ALS74AFN 制造商:Texas Instruments 功能描述:Flip Flop, Dual, D Type, 20 Pin, Plastic, PLCC