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CD54HC297 Datasheet(PDF) 6 Page - Texas Instruments

Part # CD54HC297
Description  High-Speed CMOS Logic Digital Phase-Locked Loop
PDF  16 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

CD54HC297 Datasheet(HTML) 6 Page - Texas Instruments

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6
Propagation Delay,
φA1, φB to XORPDOUT
tPLH, tPHL
CL = 50pF
2
-
150
190
225
ns
4.5
-
30
38
45
ns
6
-
26
33
38
ns
Propagation Delay,
φB, φA2 to ECPDOUT
tPHL, tPHL
CL = 50pF
2
-
200
250
300
ns
4.5
-
40
50
60
ns
6
-
34
43
51
ns
Output Transition Time
XORPDOUT
ECPDOUT
tTLH
CL = 50pF
2
-
75
95
110
ns
4.5
-
15
19
22
ns
6
-
13
16
19
ns
Output Transition Time
I/DOUT
tTLH
CL = 50pF
2
-
60
75
90
ns
4.5
-
12
15
18
ns
6
-
10
13
15
ns
Input Capacitance
CI
--
-
10
10
10
pF
HCT TYPES
Propagation Delay,
I/DCP to I/DOUT
tPLH, tPHL
CL = 50pF
4.5
-
35
44
53
ns
Propagation Delay,
φA1, φB to XORPDOUT
tPLH, tPHL
CL = 50pF
4.5
-
30
38
45
ns
Propagation Delay,
φB, φA2 to ECPDOUT
tPHL, tPHL
CL = 50pF
4.5
-
40
50
60
ns
Output Transition Time
XORPDOUT
tTLH
CL = 50pF
4.5
-
15
19
22
ns
Output Transition Time
ECPDOUT
tTLH
CL = 50pF
4.5
-
12
15
18
ns
Input Capacitance
CI
--
-
10
10
10
pF
Switching Specifications Input tr, tf = 6ns (Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC (V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
TYP
MAX
MAX
MAX
CD54HC297, CD74HC297, CD74HCT297
CD54HC297, CD74HC297, CD74HCT297



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