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SN54ALS541 Datasheet(PDF) 4 Page - Texas Instruments

Part No. SN54ALS541
Description  OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54ALS541, SN74ALS540, SN74ALS541
OCTAL BUFFERS AND LINE DRIVERS
WITH 3-STATE OUTPUTS
SDAS025D – APRIL 1982 – REVISED MARCH 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS541
SN74ALS540
SN74ALS541
UNIT
MIN
TYP‡
MAX
MIN
TYP‡
MAX
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
– 1.2
V
VCC = 4.5 V to 5.5 V,
IOH = – 0.4 mA
VCC – 2
VCC – 2
VOH
IOH = – 3 mA
2.4
3.2
2.4
3.2
V
VOH
VCC = 4.5 V
IOH = – 12 mA
2
V
IOH = – 15 mA
2
IOL = 12 mA
0.25
0.4
0.25
0.4
VOL
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
V
IOL = 48 mA†
0.35
0.5
IOZH
VCC = 5.5 V,
VO = 2.7 V
20
20
µA
IOZL
VCC = 5.5 V,
VO = 0.4 V
– 20
– 20
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
– 0.2
– 0.1
mA
IO§
VCC = 5.5 V,
VO = 2.25 V
– 20
– 112
– 30
– 112
mA
Outputs high
5
10
SN74ALS540
VCC = 5.5 V
Outputs low
13
22
ICC
Outputs disabled
11
19
mA
ICC
Outputs high
6
14
6
14
mA
’ALS541
VCC = 5.5 V
Outputs low
15
25
15
25
Outputs disabled
13.5
32
13.5
22
† Applies only to the -1 version and only if VCC is between 4.75 V and 5.25 V
‡ 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.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX¶
UNIT
SN54ALS541
SN74ALS540
SN74ALS541
MIN
MAX
MIN
MAX
MIN
MAX
tPLH
A
Y
4
17
2
12
4
14
ns
tPHL
A
Y
2
14
2
9
2
10
ns
tPZH
OE
Y
5
18
5
15
5
15
ns
tPZL
OE
Y
8
28
8
20
8
20
ns
tPHZ
OE
Y
1
12
1
10
1
10
ns
tPLZ
OE
Y
2
14
2
12
2
12
ns
¶ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.




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