參數(shù)資料
型號： 74ALS573
廠商： Texas Instruments, Inc.
英文描述： OCTAL D-TYPE TRANSPARENT LATCHES WITH 3-STATE OUTPUTS
中文描述： 八路?- 3型透明鎖存態(tài)輸出
文件頁數(shù)： 4/9頁
文件大?。?/td> 134K
代理商： 74ALS573
SN54ALS573C, SN54AS573A, SN74ALS573C, SN74AS573A
OCTAL D-TYPE TRANSPARENT LATCHES
WITH 3-STATE OUTPUTS
SDAS048D – DECEMBER 1989 – REVISED JANUARY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
CC
Input voltage, V
I
Voltage applied to a disabled 3-state output
Operating free-air temperature range, T
A
: SN54AS573A
7 V
7 V
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74AS573A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55
°
C to 125
°
C
0
°
C to 70
°
C
–65
°
C to 150
°
C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54AS573A
MIN
NOM
SN74AS573A
MIN
NOM
UNIT
MAX
MAX
VCC
VIH
VIL
IOH
IOL
tw*
tsu*
th*
TA
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
High-level output current
–12
–15
mA
Low-level output current
32
48
mA
Pulse duration, LE high
Setup time, data before LE
↓
Hold time, data after LE
↓
Operating free-air temperature
5.5
4.5
ns
2
2
ns
3
3
ns
°
C
–55
125
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS573A
TYP
SN74AS573A
TYP
UNIT
MIN
MAX
MIN
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
0.28
0.5
V
0.33
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
–0.1
–0.5
–30
–112
–30
–112
mA
56
93
56
93
ICC
VCC = 5.5 V
Outputs low
Outputs disabled
55
65
90
106
55
65
90
106
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.
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