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SNJ54LS243J Datasheet(PDF) 4 Page - Texas Instruments

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Part # SNJ54LS243J
Description  QUADRUPLE BUS TRANSCEIVERS
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SNJ54LS243J Datasheet(HTML) 4 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
SN54LS243, SN74LS243
SDLS145A – APRIL 1985 – REVISED JULY 2008 ............................................................................................................................................................. www.ti.com
over operating free-air temperature range (unless otherwise noted)
SN54LS243
SN74LS243
PARAMETER
TEST CONDITIONS(1)
UNIT
MIN
TYP(2)
MAX
MIN
TYP(2)
MAX
VIK
A or B
VCC = MIN,
II = –18 mA
–1.5
–1.5
V
Hysteresis (VT+ – VT–)
VCC = MIN,
0.2
0.4
0.2
0.4
V
VIL = MAX,
2.4
3.1
2.4
3.1
V
IOH = –3 mA
VOH
VCC = MIN,
VIH = 2 V,
VIL = 0.5 V,
2
2
IOH = MAX
VIH = 2 V,
IOL = 12 mA
0.25
0.4
0.25
0.4
VCC = MIN,
VOL
V
VIL = MAX
IOL = 24 mA
0.35
0.5
VCC = MIN,
VIH = 2 V,
VO = 2.7 V
IOZH
40
40
µA
VIL = MAX,
VCC = MIN,
VIH = 2 V,
VO = 0.4 V
IOZL
–200
–200
µA
VIL = MAX,
A or B
VI = 5.5 V
0.1
0.1
II
VCC = MAX,
mA
GAB or GBA
VI = 7 V
0.1
0.1
IIH
VCC = MAX,
20
20
µA
VCC = MAX, VI = 0.4 V,
A inputs
–0.2
–0.2
GAB and GBA at 0 V
IIL
VCC = MAX, VI = 0.4 V,
mA
B inputs
–0.2
–0.2
GAB and GBA at 4.5 V
GAB or GBA
VCC = MAX, VI = 0.4 V,
–0.2
–0.2
IOS
VCC = MAX
–40
–225
–40
–225
mA
Outputs high
22
38
22
38
Outputs low
VCC = MAX,
29
50
29
50
ICC
Outputs open,
mA
(3)
All outputs
32
54
32
54
disabled
(1)
For conditions shown as MIN or MAX, use the appropriate value specified under "recommended operating conditions."
(2)
All typical values are at VCC = 5 V, TA = 25°C.
(3)
ICC is measured with transceivers eabled in one direction only, or with all transceivers disabled.
VCC = 5 V, TA = 25°C
SN54LS243
SN74LS243
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
tPLH
9
14
12
18
ns
tPHL
12
18
12
18
ns
RL = 667 Ω,
CL = 45 pF
tPZL
20
30
20
30
ns
tPZH
15
23
15
23
ns
tPLZ
10
20
10
20
ns
RL = 667 Ω,
CL = 5 pF
tPHZ
15
25
15
25
ns
4
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Copyright © 1985–2008, Texas Instruments Incorporated
Product Folder Link(s): SN54LS243 SN74LS243


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