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SN54BCT25244W Datasheet(PDF) 3 Page - Texas Instruments

Part # SN54BCT25244W
Description  25-ohm OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN54BCT25244W Datasheet(HTML) 3 Page - Texas Instruments

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SN54BCT25244, SN74BCT25244
25-
Ω OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS064A – JUNE 1990 – REVISED NOVEMBER 1993
2–3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 2)
SN54BCT25244
SN74BCT25244
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
IIK
Input clamp current
–18
–18
mA
IOH
High-level output current
–53
–80
mA
IOL
Low-level output current
125
188
mA
TA
Operating free-air temperature
–55
125
0
70
°C
NOTE 2: Unused or floating inputs must be held high or low.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT25244
SN74BCT25244
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 = 4.75 V,
IOH = – 3 mA
2.7
VOH
VCC =4 5V
IOH = – 53 mA
2
V
VCC = 4.5 V
IOH = – 80 mA
2
IOL = 94 mA
0.38
0.55
0.42
0.55
VOL
VCC = 4.5 V
IOL = 125 mA
0.8
V
IOL = 188 mA
0.7
II
VCC = 5.5 V,
VI = 5.5 V
0.1
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
20
µA
IIL
VCC = 5.5 V,
VI = 0.5 V
– 0.6
– 0.6
mA
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
50
µA
IOZL
VCC = 5.5 V,
VO = 0.5 V
–50
–50
µA
ICCL
VCC = 5.5 V,
Outputs open
90
119
90
119
mA
ICCH
VCC = 5.5 V,
Outputs open
59
78
59
78
mA
ICCZ
VCC = 5.5 V,
Outputs open
7
11
7
11
mA
Ci
VCC = 5 V,
VI = 2.5 V or 0.5 V
5.5
5.5
pF
Co
VCC = 5 V,
VO = 2.5 V or 0.5 V
17
17
pF
† All typical values are at VCC = 5 V, TA = 25°C.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Note 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54BCT25244
SN74BCT25244
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
A
Y
1
3.2
4.9
1
5.6
1
5.5
ns
tPHL
A
Y
2
4
5.6
2
6.3
2
6
ns
tPZH
OE
Y
3.2
5.6
8.5
3.2
9.7
3.2
9.3
ns
tPZL
OE
Y
3.7
6.3
9.2
3.7
10.4
3.7
10.2
ns
tPHZ
OE
Y
1.6
3.6
5.5
1.6
6.5
1.6
6.3
ns
tPLZ
OE
Y
3.1
5.3
7.8
3.1
9.5
3.1
8.4
ns
NOTE 3: Load circuits and voltage waveforms are shown in Section 1.


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