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SN54LV74A Datasheet(PDF) 6 Page - Texas Instruments

Part No. SN54LV74A
Description  DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54LV74A Datasheet(HTML) 6 Page - Texas Instruments

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SN54LV74A, SN74LV74A
DUAL POSITIVEEDGETRIGGERED DTYPE FLIPFLOPS
SCLS381L − AUGUST 1997 − REVISED APRIL 2005
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
LOAD
TA = 25°C
SN54LV74A
SN74LV74A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
fmax
CL = 15 pF
80*
140*
70*
70
MHz
fmax
CL = 50 pF
50
90
45
45
MHz
tpd
PRE or CLR
Q or Q
CL = 15 pF
6.9*
12.3*
1*
14.5*
1
14.5
ns
tpd
CLK
Q or Q
CL = 15 pF
7.9*
11.9*
1*
14*
1
14
ns
tpd
PRE or CLR
Q or Q
CL = 50 pF
9.2
15.8
1
18
1
18
ns
tpd
CLK
Q or Q
CL = 50 pF
10.2
15.4
1
17.5
1
17.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching
characteristics
over
recommended
operating
free-air
temperature
range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV74A
SN74LV74A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
fmax
CL = 15 pF
130*
180*
110*
110
MHz
fmax
CL = 50 pF
90
140
75
75
MHz
tpd
PRE or CLR
Q or Q
CL = 15 pF
5*
7.7*
1*
9*
1
9
ns
tpd
CLK
Q or Q
CL = 15 pF
5.6*
7.3*
1*
8.5*
1
8.5
ns
tpd
PRE or CLR
Q or Q
CL = 50 pF
6.6
9.7
1
11
1
11
ns
tpd
CLK
Q or Q
CL = 50 pF
7.2
9.3
1
10.5
1
10.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics, VCC = 3.3 V, CL = 50 pF, TA = 25°C (see Note 6)
PARAMETER
SN74LV74A
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.1
0.8
V
VOL(V)
Quiet output, minimum dynamic VOL
0
−0.8
V
VOH(V)
Quiet output, minimum dynamic VOH
3.2
V
VIH(D)
High-level dynamic input voltage
2.31
V
VIL(D)
Low-level dynamic input voltage
0.99
V
NOTE 6: Characteristics are for surface-mount packages only.
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
VCC
TYP
UNIT
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 10 MHz
3.3 V
21
pF
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 10 MHz
5 V
23
pF


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