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CD54HCT640F3A Datasheet(PDF) 5 Page - Texas Instruments

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Part No. CD54HCT640F3A
Description  High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD54HCT640F3A Datasheet(HTML) 5 Page - Texas Instruments

 
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5
Switching Specifications CL = 50pF, Input tr, tf = 6ns
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC (V)
25oC
-40oC TO
85oC
-55oC TO
125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC TYPES
Propagation Delay
tPHL, tPLH
CL = 50pF
A to B
B to A
2
-
-
90
-
115
-
135
ns
4.5
-
-
18
-
23
-
27
ns
CL = 15pF
5
-
7
-
-
-
-
-
ns
CL = 50pF
6
-
-
15
-
20
-
23
ns
Output High-Z
To High Level,
To Low Level
tPHL, tPLH
CL = 50pF
2
-
-
150
-
190
-
225
ns
4.5
-
-
30
-
38
-
45
ns
CL = 15pF
5
-
12
-
-
-
-
-
ns
CL = 50pF
6
-
-
26
-
33
-
38
ns
Output High Level
Output Low Level to High Z
tPHZ, tPLZ
CL = 50pF
2
-
-
150
-
190
-
225
ns
4.5
-
-
30
-
38
-
45
ns
CL = 15pF
5
-
12
-
-
-
-
-
ns
CL = 50pF
6
-
-
26
-
33
-
38
ns
Output Transition Time
tTHL, tTLH
CL = 50pF
2
-
-
60
-
75
-
90
ns
4.5
-
-
12
-
15
-
18
ns
6
-
-
10
-
13
-
15
ns
Input Capacitance
CIN
CL = 50pF
-
10
-
10
-
10
-
10
pF
Three-State Output
Capacitance
CO
-
-
-
-
20
-
20
-
20
pF
Power Dissipation Capacitance
(Notes 3, 4)
CPD
-5
-
38
-
-
-
-
-
pF
HCT TYPES
Propagation Delay
A to B
B to A
tPHL, tPLH
CL = 50pF
4.5
-
-
22
-
28
-
33
ns
CL = 15pF
5
-
9
-
-
-
-
-
ns
Output High-Z
To High Level,
To Low Level
tPHL, tPLH
CL = 50pF
4.5
-
-
30
-
38
-
45
ns
CL = 15pF
5
-
12
-
-
-
-
-
ns
Output High Level
Output Low Level to High Z
tPHZ, tPLZ
CL = 50pF
4.5
-
-
30
-
38
-
45
ns
CL = 15pF
5
-
12
-
-
-
-
-
ns
Output Transition Time
tTHL, tTLH
CL = 50pF
4.5
-
-
12
-
15
-
18
ns
Input Capacitance
CIN
CL = 50pF
-
10
-
10
-
10
-
10
pF
Three-State Output
Capacitance
CO
-
-
-
-
20
-
20
-
20
pF
Power Dissipation Capacitance
(Notes 3, 4)
CPD
-5
-
41
-
-
-
-
-
pF
NOTES:
3. CPD is used to determine the dynamic power consumption, per channel.
4. PD = VCC
2 f
i (CPD + CL) where fi = Input Frequency, CL = Output Load Capacitance, VCC = Supply Voltage.
CD54HC640, CD74HC640, CD54HCT640, CD74HCT640
CD54HC640, CD74HC640, CD54HCT640, CD74HCT640


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