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參數資料
| 型號： | SN54AS373FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| 中文描述： | 有三態(tài)輸出的8個透明D型鎖存器 |
| 文件頁數： | 4/10頁 |
| 文件大?。?/td> | 140K |
| 代理商： | SN54AS373FK |
SN54ALS373A, SN54AS373, SN74ALS373A, SN74AS373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SDAS083C
–
APRIL 1982
–
REVISED MARCH 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS373A
MIN
TYP
SN74ALS373A
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
–
0.1
–
0.1
–
20
–
112
–
30
–
112
mA
9
16
9
16
ICC
VCC = 5.5 V
Outputs low
Outputs disabled
16
17
25
27
16
17
25
27
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.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX
§
SN54ALS373A
MIN
MAX
2
17
UNIT
SN74ALS373A
MIN
2
MAX
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
D
Q
12
ns
1
19
4
16
LE
Any Q
6
29
6
22
ns
1
27
7
23
OE
Any Q
6
22
1
18
ns
5
24
5
20
OE
Any Q
2
2
16
24
1
2
10
12
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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