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參數(shù)資料
| 型號： | SN54ALS374AFK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路D型沿觸發(fā)器與觸發(fā)器3態(tài)輸出 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 125K |
| 代理商： | SN54ALS374AFK |
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS374A
MIN
TYP
SN74ALS374A
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II = –18 mA
IOH = –0.4 mA
IOH = –1 mA
IOH = –2.6 mA
IOL = 12 mA
IOL = 24 mA
VO = 2.7 V
VO = 0.4 V
VI = 7 V
VI = 2.7 V
VI = 0.4 V
VO = 2.25 V
Outputs high
–1.5
–1.5
V
VCC–2
2.4
VCC–2
VOH
VCC= 4 5 V
VCC = 4.5 V
3.3
V
2.4
3.2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.25
0.4
0.25
0.4
V
0.35
0.5
IOZH
IOZL
II
IIH
IIL
IO
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
20
20
μ
A
μ
A
mA
μ
A
mA
–20
–20
0.1
0.1
20
20
–0.2
–0.2
–20
–112
–30
–112
mA
11
20
11
19
ICC
VCC = 5.5 V
Outputs low
Outputs disabled
19
20
28
31
19
20
28
31
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.
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
SN54ALS374A
MIN
SN74ALS374A
MIN
UNIT
MAX
MAX
fclock
tw
tsu
th
Clock frequency
30
35
MHz
Pulse duration
CLK high or low
Data before CLK
↑
Data after CLK
↑
16.5
14
ns
Setup time
10
10
ns
Hold time
4
0
ns
switching characteristics over recommended operating conditions (unless otherwise noted
(see Figure 3)
PARAMETER
FROM
(INPUT)
TO
SN54ALS374A
MIN
SN74ALS374A
MIN
UNIT
(OUTPUT)
MAX
MAX
fmax
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
30
35
MHz
CLK
Q
3
14
3
12
ns
5
17
5
16
OE
Q
3
18
3
17
ns
5
21
5
18
OE
Q
1
2
11
19
1
2
10
18
ns
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| SN54AS574FK | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
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