参数资料
型号: SN74AS573ADWRE4
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, PDSO20
封装: PLASTIC, SO-20
文件页数: 13/19页
文件大小: 727K
代理商: SN74AS573ADWRE4
SN54ALS573C, SN54AS573A, SN74ALS573C, SN74AS573A
OCTAL DTYPE TRANSPARENT LATCHES
WITH 3STATE OUTPUTS
SDAS048D DECEMBER 1989 REVISED JANUARY 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS573C
SN74ALS573C
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = 18 mA
1.2
V
VCC = 4.5 V to 5.5 V,
IOH = 0.4 mA
VCC 2
VOH
VCC = 4.5 V
IOH = 1 mA
2.4
3.3
V
VOH
VCC = 4.5 V
IOH = 2.6 mA
2.4
3.2
V
VOL
VCC = 4.5 V
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
0.13
0.1
mA
IO
VCC = 5.5 V,
VO = 2.25 V
20
112
30
112
mA
Outputs high
10
17
10
17
ICC
VCC = 5.5 V
Outputs low
15
24
15
24
mA
ICC
VCC = 5.5 V
Outputs disabled
16
27
16
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§
UNIT
(INPUT)
(OUTPUT)
SN54ALS573C
SN74ALS573C
MIN
MAX
MIN
MAX
tPLH
D
Q
2
20
2
14
ns
tPHL
D
Q
2
17
2
14
ns
tPLH
LE
Q
8
33
6
20
ns
tPHL
LE
Q
8
24
6
19
ns
tPZH
OE
Q
4
28
3
18
ns
tPZL
OE
Q
4
21
4
18
ns
tPHZ
OE
Q
2
20
1
10
ns
tPLZ
OE
Q
3
26
1
15
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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