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參數(shù)資料
| 型號： | 74AS175B |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR |
| 中文描述： | 六角/四人房D型倒裝，沒有明確的觸發(fā)器 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大小： | 584K |
| 代理商： | 74AS175B |
SN54ALS174, SN54ALS175, SN54AS174, SN54AS175B
SN74ALS174, SN74ALS175, SN74AS174, SN74AS175B
HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR
SDAS207E - APRIL 1982 - REVISED MAY 2002
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
TYP
SN74ALS174
SN74ALS175
TYP
UNIT
MIN
MAX
MIN
MAX
VIK
VOH
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II =
–
18 mA
IOH =
–
0.4 mA
IOL = 4 mA
IOL = 8 mA
VI = 7 V
VI = 2.7 V
–
1.5
–
1.5
V
VCC
–
2
VCC
–
2
V
VOL
VCC= 4 5 V
VCC = 4.5 V
0.25
0.4
0.25
0.4
V
0.35
0.5
II
IIH
VCC = 5.5 V,
VCC = 5.5 V,
0.1
0.1
mA
μ
A
20
20
IIL
All others
VCC= 5 5 V
VCC = 5.5 V,
VI= 0 4 V
VI = 0.4 V
–
0.1
–
0.1
mA
CLK
–
0.15
IO
VCC = 5.5 V,
VO = 2.25 V
–
20
–
112
–
–
112
mA
ICC
’
ALS174
’
ALS175
VCC= 5 5 V
VCC = 5.5 V,
See Note 3
11
8
19
14
11
9
19
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 3: ICC is measured with D inputs and CLR grounded, and CLK at 4.5 V.
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
SN54ALS174
SN54ALS175
SN74ALS174
SN74ALS175
UNIT
MIN
MAX
MIN
MAX
fclock
Clock frequency
40
50
MHz
CLR low
15
10
tw
Pulse duration
CLK high
12.5
10
ns
CLK low
Data
12.5
10
tsu
Set p time before CLK
Setup time before CLK
↑
15
10
ns
CLR inactive
8
6
th
Hold time, data after CLK
↑
0
0
ns
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
§
SN54ALS174
SN54ALS175
UNIT
SN74ALS174
SN74ALS175
MIN
MAX
MIN
MAX
fmax
tPLH
tPHL
tPLH
tPHL
40
50
MHz
CLR
Any Q
3
20
5
18
ns
(or Q,
’
ALS175)
5
30
8
23
CLK
Any Q
3
5
20
24
3
5
15
17
ns
(or Q,
’
ALS175)
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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