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SN54125J Datasheet(PDF) 6 Page - Texas Instruments

Part No. SN54125J
Description  QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54125J Datasheet(HTML) 6 Page - Texas Instruments

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SN54125, SN54126, SN54LS125A, SN54LS126A,
SN74125, SN74126, SN74LS125A, SN74LS126A
QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS
SDLS044A – DECEMBER 1983 – REVISED MARCH 2002
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54LS125A
SN54LS126A
SN74LS125A
SN74LS126A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
VCC
Supply voltage
4.5
5
5.5
4.75
5
5.25
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High-level output current
–1
–2.6
mA
IOL
Low-level output current
12
24
mA
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†
SN54LS125A
SN54LS126A
SN74LS125A
SN74LS126A
UNIT
TEST CONDITIONS
MIN
TYP‡
MAX
MIN
TYP‡
MAX
VIK
VCC = MIN,
II = –18 mA
–1.5
–1.5
V
VOH
VCC = MIN,
VIL = 0.7 V,
IOH = –1 mA
2.4
V
VOH
VIH = 2 V
VIL = 0.8 V
IOH = –2.6 mA
2.4
V
V
MIN
VIL = 0.7 V,
IOL = 12 mA
0.25
0.4
VOL
VCC = MIN,
VIH =2V
VIL = 0.8 V,
IOL = 12 mA
0.25
0.4
V
VIH = 2 V
VIL = 0.8 V,
IOL = 24 mA
0.35
0.5
VIL =0 7V
VO = 2.4 V
20
I
VCC = MAX,
VIL = 0.7 V
VO = 0.4 V
–20
µA
IOZ
CC
,
VIH = 2 V,
VIL =0 8V
VO = 2.4 V
20
µA
VIL = 0.8 V
VO = 0.4 V
–20
II
VCC = MAX,
VI = 7 V
0.1
0.1
mA
IIH
VCC = MAX,
VI = 2.7 V
20
20
µA
IIL
VCC = MAX,
’LS125A-G inputs
–0.2
–0.2
mA
IIL
VI = 0.4 V
’LS125A-A inputs; ’LS126A All inputs
–0.4
–0.4
mA
IOS§
VCC = MAX
–40
–225
–40
–225
mA
ICC
VCC = MAX
’LS125A
11
20
11
20
mA
ICC
CC
(see Note 4)
’LS126A
12
22
12
22
mA
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡ All typical values are at VCC = 5 V, TA = 25°C.
§ Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
NOTE 4: Data inputs = 0 V; output control = 4.5 V for ’LS125A and 0 V for ’LS126A.
switching characteristics, VCC = 5 V, TA = 25°C (see Figure 1)
PARAMETER
TEST CONDITIONS
SN54LS125A
SN74LS125A
SN54LS126A
SN74LS126A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
tPLH
RL = 667 Ω
CL =45 pF
9
15
9
15
ns
tPHL
RL = 667 Ω,
CL = 45 F
7
18
8
18
ns
tPZH
RL = 667 Ω
CL =45 pF
12
20
16
25
ns
tPZL
RL = 667 Ω,
CL = 45 F
15
25
21
35
ns
tPHZ
RL = 667 Ω
CL =5 pF
20
25
ns
tPLZ
RL = 667 Ω,
CL = 5 F
20
25
ns
The SN54125, SN54126, SN74125,
SN74126, and SN54LS126A are
obsolete and are no longer supplied.


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