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参数资料
| 型号： | SN54AS374FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AS SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 3/9页 |
| 文件大小： | 138K |
| 代理商： | SN54AS374FKR |
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167B – APRIL 1982 – REVISED JULY 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS374A
SN74ALS374A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.5
V
VCC = 4.5 V to 5.5 V,
IOH = – 0.4 mA
VCC –2
VOH
VCC =4 5V
IOH = – 1 mA
2.4
3.3
V
VCC = 4.5 V
IOH = – 2.6 mA
2.4
3.2
VOL
VCC =4 5V
IOL = 12 mA
0.25
0.4
0.25
0.4
V
VOL
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
V
IOZH
VCC = 5.5 V,
VO = 2.7 V
20
A
IOZL
VCC = 5.5 V,
VO = 0.4 V
–20
A
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.4 V
– 0.2
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–20
–112
–30
–112
mA
Outputs high
11
20
11
19
ICC
VCC = 5.5 V
Outputs low
19
28
19
28
mA
Outputs disabled
20
31
20
31
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.
switching characteristics (see Figure 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX§
UNIT
SN54ALS374A
SN74ALS374A
MIN
MAX
MIN
MAX
fmax
30
35
MHz
tPLH
CLK
Q
3
14
3
12
ns
tPHL
CLK
Q
5
17
5
16
ns
tPZH
OE
Q
5
18
3
17
ns
tPZL
OE
Q
6
21
5
18
ns
tPHZ
OE
Q
2
11
1
10
ns
tPLZ
OE
Q
3
19
2
18
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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