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SN74ALS2240 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
SN74ALS2240 OCTAL BUFFER AND LINE DRIVER/MOS DRIVER WITH 3-STATE OUTPUTS TI
Texas Instruments TI
SN74ALS2240 Datasheet PDF : 5 Pages
1 2 3 4 5
recommended operating conditions
VCC
VIH
VIL
TA
Supply voltage
High-level input voltage
Low-level input voltage
Operating free-air temperature
SN74ALS2240
OCTAL BUFFER AND LINE DRIVER/MOS DRIVER
WITH 3-STATE OUTPUTS
SDAS268A – DECEMBER 1994 – REVISED NOVEMBER 1997
MIN NOM MAX UNIT
4.5
5 5.5 V
2
V
0.8 V
0
70 °C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP† MAX UNIT
VIK
VOH
VOL
IOZH
IOZL
II
IIH
IIL
IO‡
IOH
IOL
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VCC = 4.5 V
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 4.5 V,
VCC = 4.5 V,
II = – 18 mA
IOH = – 0.4 mA
IOL = 1 mA
IOL = 12 mA
VO = 2.7 V
VO = 0.4 V
VI = 7 V
VI = 2.7 V
VI = 0.4 V
VO = 2.25 V
Outputs high
– 1.2 V
VCC – 2
V
0.15 0.5
V
0.35 0.8
20 µA
– 20 µA
0.1 mA
20 µA
– 0.1 mA
– 30
– 112 mA
–15 mA
15 mA
6
11
ICC
VCC = 5.5 V
Outputs low
13
23 mA
Outputs disabled
12
20
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§
MIN MAX
tPLH
A
tPHL
tPZH
OE
2
10
Y
2
10
Y
5
17
tPZL
OE
Y
7
20
tPHZ
OE
Y
2
10
tPLZ
OE
Y
4
15
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
UNIT
ns
ns
ns
ns
ns
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
3
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