
SN54ABT541, SN74ABT541B
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS093K – JANUARY 1991 – REVISED OCTOBER 1998
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
TYP
SN54ABT541
MIN
SN74ABT541B
MIN
UNIT
MIN
MAX
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = –18 mA
IOH = –3 mA
IOH = –3 mA
IOH = –24 mA
IOH = –32 mA
IOL = 48 mA
IOL = 64 mA
–1.2
–1.2
–1.2
V
2.5
2.5
2.5
VOH
3
3
3
V
VCC= 4 5 V
VCC = 4.5 V
2
2
2*
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55*
0.55
Vhys
II
IOZPU
IOZPD
IOZH
IOZL
Ioff
ICEX
IO
100
mV
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
mA
μ
A
mA
μ
A
mA
μ
A
mA
VCC = 5.5 V,
VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X
VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 0,
VCC = 5.5 V, VO = 5.5 V
VCC = 5.5 V,
VI = VCC or GND
±
1
±
1
±
1
±
50**
±
50**
±
50**
±
50**
±
50
±
50
10
VO = 2.7 V
VO = 0.5 V
VI or VO
≤
4.5 V
Outputs high
10
10
–10
±
100
50
–10
–10
±
100
50
50
VO = 2.5 V
Outputs high
–50
–140
–180
–50
–180
–50
–180
VCC = 5.5 V, IO = 0,
VI= VCCor GND
VI = VCC or GND
5 5 V I
5
250
250
250
ICC
Outputs low
22
30
30
30
Outputs disabled
1
250
250
250
VCC= 5.5 V,
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at VCC or GND
Outputs enabled
1.5
1.5
1.5
ICC
Outputs disabled
50
50
50
Control inputs
1.5
1.5
1.5
Ci
Co
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
3
pF
6
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
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, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
FROM
(INPUT)
TO
SN54ABT541
VCC = 5 V,
TA = 25
°
C
MIN
TYP
1
2.6
PARAMETER
(OUTPUT)
MIN
MAX
UNIT
MAX
4.1
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A
Y
1
4.6
ns
1
2.9
4.2
1
4.7
OE
Y
1.1
3.1
4.8
1.1
5.4
ns
2.1
4.4
5.9
2.1
7
OE
Y
2.1
5.1
6.6
2.1
7.5
ns
1.7
4.7
6.2
1.7
6.7