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參數(shù)資料
| 型號： | SN54AS174FK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 鎖存器 |
| 英文描述： | AS SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20 |
| 封裝： | CERAMIC, CC-20 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 219K |
| 代理商： | SN54AS174FK |
SN54ALS174, SN54ALS175, SN54AS174, SN54AS175B
SN74ALS174, SN74ALS175, SN74AS174, SN74AS175B
HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR
SDAS207D - APRIL 1982 - REVISED MAY 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic diagrams (positive logic)
1D
C1
R
To Five Other Channels
1
9
3
2
CLR
CLK
1D
1Q
9
1
C1
1D
CLR
CLK
1D
R
1Q
To Three Other Channels
4
2
3
’ALS174, ’AS174
’ALS175, ’AS175B
Pin numbers shown are for the D, J, and N packages.
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: SN54ALS174, SN54ALS175
–55
°C to 125°C
. . . . . . . . . . . . . . . .
SN74ALS174, SN74ALS175
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–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.
recommended operating conditions
SN54ALS174
SN54ALS175
SN74ALS174
SN74ALS175
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IOH
High-level output current
–0.4
mA
IOL
Low-level output current
4
8
mA
fclock
Clock frequency
0
40
0
50
MHz
CLR low
15
10
tw
Pulse duration
CLK high
12.5
10
ns
CLK low
12.5
10
t
Set p time before CLK
↑
Data
15
10
ns
tsu
Setup time before CLK
↑
CLR inactive
8
6
ns
th
Hold time, data after CLK
↑
0
ns
TA
Operating free-air temperature
–55
125
0
70
°C
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