SN74BCT540ANSR Datasheet, PDF (3/17 Pages) Texas Instruments – OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

SN54BCT540, SN74BCT540A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS012E – JULY 1988 – REVISED MARCH 2003
recommended operating conditions (see Note 3)
SN54BCT540
MIN NOM MAX
SN74BCT540A
UNIT
MIN NOM MAX
VCC Supply voltage
4.5
5 5.5 4.5
5 5.5 V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8 V
IIK
Input clamp current
–18
–18 mA
IOH
High-level output current
–12
–15 mA
IOL
Low-level output current
48
64 mA
TA
Operating free-air temperature
–55
125
0
70 °C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT540
MIN TYP^† MAX
SN74BCT540A
MIN TYP^† MAX
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
IOH = –3 mA
2.4 3.3
2.4
VOH
VCC = 4.5 V
IOH = –12 mA
2 3.2
IOH = –15 mA
2
VOL
VCC = 4.5 V
IOL = 48 mA
IOL = 64 mA
0.38 0.55
II
VCC = 5.5 V,
VI = 7 V
0.1
IIH
VCC = 5.5 V,
VI = 2.7 V
20
IIL
IOS^‡
VCC = 5.5 V,
VCC = 5.5 V,
VI = 0.5 V
VO = 0
–100
–0.6
–225 –100
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
IOZL
VCC = 5.5 V,
VO = 0.5 V
–50
ICCH
VCC = 5.5 V
20
30
ICCL
VCC = 5.5 V
45
71
ICCZ
VCC = 5.5 V
3
6
Ci
VCC = 5 V,
VI = 2.5 V or 0.5 V
6
Co
VCC = 5 V,
VO = 2.5 V or 0.5 V
10
† _{All typical values are at VCC = 5 V, TA = 25°C.}
‡ _{Not more than one output should be tested at a time, and the duration of the test should not exceed one second.}
–1.2
3.3
3.1
0.42 0.55
0.1
20
–0.6
–225
50
–50
20
30
45
71
3
6
5
10
UNIT
V
V
V
mA
µA
mA
mA
µA
µA
mA
mA
mA
pF
pF
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