SCLS393O APRIL 1998 REVISED OCTOBER 2005
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TEST
TA = 25
°
C
TYP
SN54LV123A
MIN
SN74LV123A
MIN
UNIT
(OUTPUT)
CONDITIONS
MIN
MAX
MAX
MAX
A or B
Q or Q
10.2*
20.6*
1*
24*
1
24
tpd
CLR
Q or Q
CL = 15 pF
9.3*
15.8*
1*
18.5*
1
18.5
ns
CLR trigger
Q or Q
10.6*
22.4*
1*
26*
1
26
A or B
Q or Q
11.8
24.1
1
27.5
1
27.5
tpd
CLR
Q or Q
CL = 50 pF
10.5
19.3
1
22
1
22
ns
CLR trigger
Q or Q
12.3
25.9
1
29.5
1
29.5
CL = 50 pF,
Cext = 28 pF,
Rext = 2 k
CL = 50 pF,
Cext = 0.01
μ
F,
Rext = 10 k
CL = 50 pF,
Cext = 0.1
μ
F,
Rext = 10 k
CL = 50 pF
182
240
300
300
ns
tw
Q or Q
90
100
110
90
110
90
110
s
0.9
1
1.1
0.9
1.1
0.9
1.1
ms
tw
±
1
%
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
tw = Duration of pulse at Q and Q outputs
tw = Output pulse-duration variation (Q and Q) between circuits in same package
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TEST
TA = 25
°
C
TYP
SN54LV123A
MIN
SN74LV123A
MIN
UNIT
(OUTPUT)
CONDITIONS
MIN
MAX
MAX
MAX
A or B
Q or Q
7.1*
12*
1*
14*
1
14
tpd
CLR
Q or Q
CL = 15 pF
6.5*
9.4*
1*
11*
1
11
ns
CLR trigger
Q or Q
7.4*
12.9*
1*
15*
1
15
A or B
Q or Q
8.3
14
1
16
1
16
tpd
CLR
Q or Q
CL = 50 pF
7.4
11.4
1
13
1
13
ns
CLR trigger
Q or Q
8.7
14.9
1
17
1
17
CL = 50 pF,
Cext = 28 pF,
Rext = 2 k
CL = 50 pF,
Cext = 0.01
μ
F,
Rext = 10 k
CL = 50 pF,
Cext = 0.1
μ
F,
Rext = 10 k
167
200
240
240
ns
tw
Q or Q
90
100
110
90
110
90
110
s
0.9
1
1.1
0.9
1.1
0.9
1.1
ms
tw
±
1
%
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
tw = Duration of pulse at Q and Q outputs
tw = Output pulse-duration variation (Q and Q) between circuits in same package
')"*%("' #"'#&*' +*"!$# ' & )"*%(3& "*
") !&3&-"+%&'. (*(#&*#
(*& !&2' 2"(-. &/(
'*$%&'
#('2& "* !#"''$&
&&
+*"!$# 0"$
!&2' +(&
+)#("'
!(( ('! "&*
*&&*3&
'"#&.
& *2
"