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CD54AC74 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. CD54AC74
Description  DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD54AC74, CD74AC74
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
SCHS231D – SEPTEMBER 1998 – REVISED DECEMBER 2002
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCC = 1.5 V, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
–55
°C to
125
°C
–40
°C to
85
°C
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
fmax
9
10
MHz
tPLH
CLK
QQ
125
114
ns
tPHL
CLK
Q or Q
125
114
ns
tPLH
PRE or CLR
QorQ
132
120
ns
tPHL
PRE or CLR
Q or Q
144
131
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
(INPUT)
TO
(OUTPUT)
–55
°C to
125
°C
–40
°C to
85
°C
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
fmax
79
90
MHz
tPLH
CLK
QQ
3.5
14
3.6
12.7
ns
tPHL
CLK
Q or Q
3.5
14
3.6
12.7
ns
tPLH
PRE or CLR
QorQ
3.7
14.7
3.8
13.4
ns
tPHL
PRE or CLR
Q or Q
4
16.1
4.1
14.6
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
–55
°C to
125
°C
–40
°C to
85
°C
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
fmax
110
125
MHz
tPLH
CLK
QQ
2.5
10
2.6
9.1
ns
tPHL
CLK
Q or Q
2.5
10
2.6
9.1
ns
tPLH
PRE or CLR
QorQ
2.6
10.5
2.7
9.5
ns
tPHL
PRE or CLR
Q or Q
2.9
11.5
3
10.4
ns
operating characteristics, TA = 25°C
PARAMETER
TYP
UNIT
Cpd
Power dissipation capacitance
55
pF




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