MM74HCT244N Fairchild Semiconductor, MM74HCT244N Datasheet - Page 4

• Manufacturer Part Number: MM74HCT244N
• Description: IC BUFF/DVR TRI-ST DUAL 20DIP
• Manufacturer: Fairchild Semiconductor
• Series: 74HCTr

Specifications of MM74HCT244N

• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Current - Output High, Low: 7.2mA, 7.2mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Logic Family: 74HCT
• Number Of Channels Per Chip: Octal
• Polarity: Non-Inverting
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: 85 C
• Mounting Style: Through Hole
• High Level Output Current: - 7.2 mA
• Input Bias Current (max): 4 uA
• Low Level Output Current: 7.2 mA
• Maximum Power Dissipation: 600 mW
• Minimum Operating Temperature: - 40 C
• Output Type: 3-State
• Propagation Delay Time: 28 ns @ 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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t
t
t
t
t
t
t
C
C
C
PHL
PZL
PLZ
PHL
PZH
PHZ
THL
Symbol
AC Electrical Characteristics
MM74HCT240, MM74HCT244 V
AC Electrical Characteristics
MM74HCT240, MM74HCT244 V
Note 5: C
I
IN
OUT
PD
S
, t
, t
, t
, t
, t
, t
, t
Symbol
C
PZH
PHZ
TLH
PLH
PLH
PZL
PLZ
PD
V
CC
PD
Maximum Output
Propagation Delay
Maximum Output
Enable Time
Maximum Output
Disable Time
Maximum Output
Rise and Fall Time
Maximum Input
Capacitance
Maximum Output
Capacitance
Power Dissipation
Capacitance (Note 5)
f
determines the no load dynamic power consumption, P

I
CC
Maximum Output
Propagation Delay
Maximum Output
Enable Time
Maximum Output
Disable Time
.
Parameter
Parameter
CC
CC
5.0V, t
5.0V
C
C
R
R
C
C
G
G
L
L
L
L
L
L
r
(per buffer)
r
10%, t
V
GND, G
50 pF
150 pF
1 k
1 k
50 pF
50 pF
CC
t
f
:
:
, G
Conditions
6 ns, T
r
GND
V
t
f
C
C
R
C
R
CC
C
C
L
L
L
L
L
L
L
6 ns (unless otherwise specified)
A
D
45 pF
45 pF
1 k
5 pF
1 k
50 pF
150 pF
25
C
:
:
q
PD
C (unless otherwise specified)
Conditions
V
4
CC
2 f
Typ

14
20
21
26
16
10
15
90
6
5
I
T
CC
A
V
CC
25
, and the no load dynamic current consumption,
q
C
20
28
30
42
25
12
15
20
T
A
Guaranteed Limits
Typ

14
20
16
40 to 85
25
35
38
53
32
15
15
20
q
C T
Guaranteed
A
Limits
18
30
25

55
30
42
45
63
38
18
15
20
q
to 125
q
C
Units
ns
ns
ns
Units
pF
pF
pF
pF
ns
ns
ns
ns
ns
ns