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MM74HCT244WM Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. MM74HCT244WM
Description  Inverting Octal 3-STATE Buffer • Octal 3-STATE Buffer
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

MM74HCT244WM Datasheet(HTML) 4 Page - Fairchild Semiconductor

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AC Electrical Characteristics
MM74HCT240, MM74HCT244 VCC
5.0V, tr tf 6 ns, TA 25qC (unless otherwise specified)
AC Electrical Characteristics
MM74HCT240, MM74HCT244 VCC
5.0V
r 10%, tr tf 6 ns (unless otherwise specified)
Note 5: CPD determines the no load dynamic power consumption, PD CPD VCC2 f  ICC VCC, and the no load dynamic current consumption,
IS CPD VCC f  ICC.
Symbol
Parameter
Conditions
Typ
Guaranteed
Units
Limits
tPHL, tPLH
Maximum Output
CL 45 pF
14
18
ns
Propagation Delay
tPZL, tPZH
Maximum Output
CL 45 pF
20
30
ns
Enable Time
RL 1 k:
tPLZ, tPHZ
Maximum Output
CL 5 pF
16
25
ns
Disable Time
RL 1 k:
Symbol
Parameter
Conditions
TA 25qCTA 40 to 85qCTA 55q to 125qC
Units
Typ
Guaranteed Limits
tPHL, tPLH Maximum Output
CL 50 pF
14
20
25
30
ns
Propagation Delay
CL 150 pF
20
28
35
42
ns
tPZH, tPZL
Maximum Output
RL 1 k:
CL 50 pF
21
30
38
45
ns
Enable Time
CL 150 pF
26
42
53
63
ns
tPHZ, tPLZ
Maximum Output
RL 1 k:
16
25
32
38
ns
Disable Time
CL 50 pF
tTHL, tTLH
Maximum Output
CL 50 pF
6
12
15
18
ns
Rise and Fall Time
CIN
Maximum Input
10
15
15
15
pF
Capacitance
COUT
Maximum Output
15
20
20
20
pF
Capacitance
CPD
Power Dissipation
(per buffer)
Capacitance (Note 5)
G
VCC, G GND
5
pF
G
GND, G
VCC
90
pF


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