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SN74ABT540DBLE Datasheet(Fiches technique) 3 Page - Texas Instruments

Numéro de pièce SN74ABT540DBLE
Description  OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
Télécharger  9 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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SN54ABT540, SN74ABT540
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS188C – FEBRUARY 1991 – REVISED JANUARY 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ABT540
SN74ABT540
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
–1.2
–1.2
V
VCC = 4.5 V,
IOH = –3 mA
2.5
2.5
2.5
VOH
VCC = 5 V,
IOH = –3 mA
3
3
3
V
VOH
VCC =4 5V
IOH = –24 mA
2
2
V
VCC = 4.5 V
IOH = –32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
Vhys
100
mV
II
VCC = 5.5 V,
VI = VCC or GND
±1
±1
±1
µA
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
50
50
µA
IOZL
VCC = 5.5 V,
VO = 0.5 V
–50
–50
–50
µA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
±100
µA
ICEX
VCC = 5.5 V, VO = 5.5 V
Outputs high
50
50
50
µA
IO‡
VCC = 5.5 V,
VO = 2.5 V
–50
–100
–180
–50
–180
–50
–180
mA
V5 5 V I
0
Outputs high
1
250
250
250
µA
ICC
VCC = 5.5 V, IO = 0,
VI =VCC or GND
Outputs low
24
30
30
30
mA
VI = VCC or GND
Outputs disabled
0.5
250
250
250
µA
§
Data
VCC = 5.5 V,
One input at 3.4 V,
Outputs enabled
1.5
1.5
1.5
∆ICC§
inputs
,
Other inputs at
VCC or GND
Outputs disabled
0.05
0.05
0.05
mA
Control
inputs
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
1.5
1.5
Ci
VI = 2.5 V or 0.5 V
3
pF
Co
VO = 2.5 V or 0.5 V
8
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
† All typical values are at VCC = 5 V.
‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
§ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54ABT540
SN74ABT540
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
A
Y
1
2.9
4.1
1
1
4.8
ns
tPHL
A
Y
1
3.1
4.3
1
1
4.8
ns
tPZH
OE
Y
1.1
3.4
4.9
1.1
1.1
5.9
ns
tPZL
OE
Y
1.1
3
5.8
1.1
1.1
6.4
ns
tPHZ
OE
Y
1.5
5.3
6.8
1.5
1.5
7.3
ns
tPLZ
OE
Y
1.2
4.4
5.7
1.2
1.2
6.2
ns
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.




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