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SN54HCT540W Datasheet(PDF) 3 Page - Texas Instruments

Part # SN54HCT540W
Description  OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN54HCT540W Datasheet(HTML) 3 Page - Texas Instruments

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SN54HCT540, SN74HCT540
OCTAL BUFFERS AND LINE DRIVERS
WITH 3-STATE OUTPUTS
SCLS008B – MARCH 1984 – REVISED MAY 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54HCT540
SN74HCT540
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
VCC = 4.5 V to 5.5 V
2
2
V
VIL
Low-level input voltage
VCC = 4.5 V to 5.5 V
0
0.8
0
0.8
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
V
tt
Input transition (rise and fall) time
0
500
0
500
ns
TA
Operating free-air temperature
–55
125
–40
85
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54HCT540
SN74HCT540
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VOH
VI =VIH or VIL
IOH = –20 µA
45 V
4.4
4.499
4.4
4.4
V
VOH
VI = VIH or VIL
IOH = –6 mA
4.5 V
3.98
4.3
3.7
3.84
V
VOL
VI =VIH or VIL
IOL = 20 µA
45 V
0.001
0.1
0.1
0.1
V
VOL
VI = VIH or VIL
IOL = 6 mA
4.5 V
0.17
0.26
0.4
0.33
V
II
VI = VCC or 0
5.5 V
±0.1
±100
±1000
±1000
nA
IOZ
VO = VCC or 0,
VI = VIH or VIL
5.5 V
±0.01
±0.5
±10
±5
µA
ICC
VI = VCC or 0,
IO = 0
5.5 V
8
160
80
µA
∆ICC†
One input at 0.5 V or 2.4 V,
Other inputs at 0 or VCC
5.5 V
1.4
2.4
3
2.9
mA
Ci
4.5 V
to 5.5 V
3
10
10
10
pF
† This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HCT540
SN74HCT540
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
t d
A
Y
4.5 V
13
20
30
25
ns
tpd
A
Y
5.5 V
12
18
27
23
ns
t
OE
Y
4.5 V
20
30
45
38
ns
ten
OE
Y
5.5 V
18
27
41
34
ns
tdi
OE
Y
4.5 V
19
30
45
38
ns
tdis
OE
Y
5.5 V
18
27
41
34
ns
tt
Y
4.5 V
8
12
18
15
ns
tt
Y
5.5 V
7
11
16
14
ns


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