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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)： | 9/14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
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS174
SN54ALS175
SN74ALS174
SN74ALS175
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
VIK
VCC = 4.5 V,
II = –18 mA
–1.5
V
VOH
VCC = 4.5 V to 5.5 V,
IOH = –0.4 mA
VCC–2
V
VOL
VCC =4 5V
IOL = 4 mA
0.25
0.4
0.25
0.4
V
VOL
VCC = 4.5 V
IOL = 8 mA
0.35
0.5
V
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
All others
VCC =5 5V
VI =0 4V
–0.1
mA
IIL
CLK
VCC = 5.5 V,
VI = 0.4 V
–0.15
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–20
–112
–30
–112
mA
ICC
’ALS174
VCC =5 5V
See Note 1
11
19
11
19
mA
ICC
’ALS175
VCC = 5.5 V,
See Note 1
8
14
9
14
mA
All typical values are at VCC = 5 V, TA = 25°C.
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
NOTE 1: ICC is measured with D inputs and CLR grounded, and CLK at 4.5 V.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 ,
TA = MIN to MAX§
UNIT
PARAMETER
(INPUT)
(OUTPUT)
SN54ALS174
SN54ALS175
SN74ALS174
SN74ALS175
UNIT
MIN
MAX
MIN
MAX
fmax
40
50
MHz
tPLH
CLR
Any Q (’ALS175)
3
20
5
18
ns
tPHL
CLR
yQ (
)
Any Q
5
30
8
23
ns
tPLH
CLK
Any Q
3
20
3
15
ns
tPHL
CLK
y
(or Q, ’ALS175)
5
24
5
17
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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