SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SDLS144B – APRIL 1985 – REVISED FEBRUARY 2002
switching characteristics, V
= 5 V, T = 25°C (see Figure 2)
CC
A
’S240
TYP
4.5
4.5
10
’S241, ’S244
PARAMETER
TEST CONDITIONS
MIN
UNIT
ns
MAX
7
MIN
TYP
6
MAX
9
t
t
t
t
t
t
PLH
PHL
PZL
PZH
PLZ
PHZ
R
R
R
= 90 Ω,
= 90 Ω,
= 90 Ω,
C
C
= 50 pF
= 50 pF
= 5 pF
L
L
L
L
L
7
6
9
15
10
15
9
10
8
15
12
15
9
ns
6.5
10
10
6
ns
C
L
6
9
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