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參數(shù)資料
| 型號(hào)： | 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(gè)透明D型鎖存器 |
| 文件頁(yè)數(shù)： | 6/10頁(yè) |
| 文件大小： | 140K |
| 代理商： | SN54AS373FK |
SN54ALS373A, SN54AS373, SN74ALS373A, SN74AS373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SDAS083C
–
APRIL 1982
–
REVISED MARCH 2002
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS373
MIN
TYP
SN74AS373
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II =
–
18 mA
IOH =
–
2 mA
IOH =
–
12 mA
IOH =
–
15 mA
IOL = 32 mA
IOL = 48 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
–
1.2
–
1.2
V
VCC
–
2
2.4
VCC
–
2
VOH
VCC= 4 5 V
VCC = 4.5 V
3.2
V
2.4
3.3
VOL
VCC= 4 5 V
VCC = 4.5 V
0.27
0.5
V
0.32
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,
50
50
μ
A
μ
A
mA
μ
A
mA
–
50
–
50
0.1
0.1
20
20
–
0.02
–
0.5
–
0.02
–
0.5
–
30
–
112
–
30
–
112
mA
55
90
55
90
ICC
VCC = 5.5 V
Outputs low
Outputs disabled
55
65
85
100
55
65
85
100
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
§
SN54AS373
MIN
MAX
3
9
UNIT
SN74AS373
MIN
3.5
MAX
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
D
Q
6
ns
3
8
3.5
6
LE
Any Q
6.5
14.5
6.5
11.5
ns
5
9
5
7.5
OE
Any Q
2
7.5
2
6.5
ns
4.5
10.5
4.5
9.5
OE
Any Q
3
3
10
8
3
3
6.5
ns
7
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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