SN54AHC541, SN74AHC541
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS261M – DECEMBER 1995 – REVISED JULY 2003
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
FROM
(INPUT)
A
TO
(OUTPUT)
Y
Y
Y
Y
Y
Y
LOAD
CAPACITANCE
CL = 15 pF
CL = 15 pF
CL = 15 pF
CL = 50 pF
CL = 50 pF
CL = 50 pF
TA = 25°C
MIN
TYP
MAX
5*
5*
6*
6*
7*
7*
7.5
7.5
8
8
9
9
7*
7*
10.5*
10.5*
11*
11*
10.5
10.5
14
14
15.4
15.4
1.5**
SN54AHC541
MIN
1*
1*
1*
1*
1*
1*
1
1
1
1
1
1
MAX
8.5*
8.5*
11*
11*
12*
12*
12
12
16
16
17.5
17.5
SN74AHC541
MIN
1
1
1
1
1
1
1
1
1
1
1
1
MAX
8.5
8.5
11
11
12
12
12
12
16
16
17.5
17.5
1.5
UNIT
ns
ns
ns
ns
ns
ns
ns
OE
OE
A
OE
OE
tsk(o)
CL = 50 pF
∗
On products compliant to MIL-PRF-38535, this parameter is not production tested.
∗∗
On products compliant to MIL-PRF-38535, this parameter does not apply.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
FROM
(INPUT)
A
TO
(OUTPUT)
Y
Y
Y
Y
Y
Y
LOAD
CAPACITANCE
CL = 15 pF
CL = 15 pF
CL = 15 pF
CL = 50 pF
CL = 50 pF
CL = 50 pF
TA = 25°C
MIN
TYP
MAX
3.5*
3.5*
4.7*
4.7*
5*
5*
5
5
6.2
6.2
6
6
5*
5*
7.2*
7.2*
7.5*
7.5*
7
7
9.2
9.2
8.8
8.8
1**
SN54AHC541
MIN
1*
1*
1*
1*
1*
1*
1
1
1
1
1
1
MAX
6*
6*
8.5*
8.5*
8*
8*
8
8
10.5
10.5
10
10
SN74AHC541
MIN
1
1
1
1
1
1
1
1
1
1
1
1
MAX
6
6
8.5
8.5
8
8
8
8
10.5
10.5
10
10
1
UNIT
ns
ns
ns
ns
ns
ns
ns
OE
OE
A
OE
OE
tsk(o)
CL = 50 pF
∗
On products compliant to MIL-PRF-38535, this parameter is not production tested.
∗∗
On products compliant to MIL-PRF-38535, this parameter does not apply.
4
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