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SN74ALS880A Datasheet(PDF) 5 Page - Texas Instruments

Part No. SN74ALS880A
Description  DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54AS880, SN74AS880
DUAL 4BIT DTYPE LATCHES WITH 3STATE OUTPUTS
SDAS079A − D2661, DECEMBER 1982 − REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
5
recommended operating conditions
SN54AS880
SN74AS880
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
IOH
High-level output current
−12
−15
mA
IOL
Low-level output current
32
48
mA
tw
Pulse duration
PRE low
4.5
3.5
ns
tw
Pulse duration
C high
4
2.5
ns
tsu
Setup time, data before C
2
2
ns
th
Hold time, data after C
1
1
ns
TA
Operating free-air temperature
−55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS880
SN74AS880
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
TYP†
MAX
UNIT
VIK
VCC = 4.5 V,
II = − 18 mA
− 1.2
− 1.2
V
VCC = 4.5 V to 5.5 V,
IOH = − 2 mA
VCC −2
VCC −2
VOH
VCC = 4.5 V,
IOH = − 12 mA
2.4
3.2
V
VCC = 4.5 V,
IOH = − 15 mA
2.4
3.3
VOL
VCC = 4.5 V,
IOL = 32 mA
0.30
0.5
V
VOL
VCC = 4.5 V,
IOL = 48 mA
0.35
0.5
V
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
50
µA
IOZL
VCC = 5.5 V,
VO = 0.4 V
−50
−50
µA
II
VCC = 5.5 V,
VI = 7 V
0.1
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
20
µA
IIL
VCC = 5.5 V,
VI = 0.4 V
− 0.5
− 0.5
mA
IO‡
VCC = 5.5 V,
VO = 2.25 V
−30
−112
−30
−112
mA
Outputs high
73
118
73
118
ICC
VCC = 5.5 V
Outputs low
76
122
76
122
mA
Outputs disabled
86
137
86
137
† 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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