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54AC11112 Datasheet(PDF) 4 Page - Texas Instruments

Part No. 54AC11112
Description  DUAL J-K NEGATIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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54AC11112 Datasheet(HTML) 4 Page - Texas Instruments

   
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54AC11112, 74AC11112
DUAL J-K NEGATIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCAS073A – JUNE 1989 – REVISED APRIL 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2–4
timing requirements, VCC = 3.3 V ± 0.3 V (see Figure 1)
TA = 25°C
54AC11112
74AC11112
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
0
100
0
70
0
70
MHz
t
Pulse duration
PRE or CLR low
5
5
5
ns
tw
Pulse duration
CLK low or CLK high
5
5
5
ns
t
Setup time before CLK
Data high or low
5
5
5
ns
tsu
Setup time before CLK
PRE or CLR inactive
2.5
2.5
2.5
ns
th
Hold time after CLK
0.5
0.5
0.5
ns
timing requirements, VCC = 5 V ± 0.5 V (see Figure 1)
TA = 25°C
54AC11112
74AC11112
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
0
125
0
125
0
125
MHz
t
Pulse duration
PRE or CLR low
4
4
4
ns
tw
Pulse duration
CLK low or CLK high
4
4
4
ns
t
Setup time before CLK
Data high or low
3.5
3.5
3.5
ns
tsu
Setup time before CLK
PRE or CLR inactive
2
2
2
ns
th
Hold time after CLK
1
1
1
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
TA = 25°C
54AC11112
74AC11112
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
fmax
100
150
100
100
MHz
tPLH
PRE or CLR
QorQ
1.5
4.9
6.7
1.5
7.6
1.5
7.3
ns
tPHL
PRE or CLR
Q or Q
1.5
7
9.2
1.5
10.3
1.5
9.9
ns
tPLH
CLK
QorQ
1.5
5.4
7.1
1.5
7.9
1.5
7.6
ns
tPHL
CLK
Q or Q
1.5
6
7.9
1.5
9
1.5
8.5
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
TA = 25°C
54AC11112
74AC11112
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
fmax
125
175
125
125
MHz
tPLH
PRE or CLR
QorQ
1.5
3.3
5.1
1.5
5.6
1.5
5.4
ns
tPHL
PRE or CLR
Q or Q
1.5
4.6
6.7
1.5
7.7
1.5
7.3
ns
tPLH
CLK
QorQ
1.5
3.4
5.1
1.5
5.8
1.5
5.6
ns
tPHL
CLK
Q or Q
1.5
4.2
6.3
1.5
7.4
1.5
7
ns
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per gate
CL = 50 pF,
f = 1 MHz
37
pF


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