MM74HC244N Fairchild Semiconductor, MM74HC244N Datasheet - Page 3

• Manufacturer Part Number: MM74HC244N
• Description: IC BUFF/DVR TRI-ST DUAL 20DIP
• Manufacturer: Fairchild Semiconductor
• Series: 74HCr

Specifications of MM74HC244N

• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Current - Output High, Low: 7.8mA, 7.8mA
• Voltage - Supply: 2 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Logic Family: 74HC
• Number Of Channels Per Chip: Octal
• Polarity: Non-Inverting
• Supply Voltage (max): 6 V
• Supply Voltage (min): 2 V
• Maximum Operating Temperature: 85 C
• Mounting Style: Through Hole
• High Level Output Current: - 7.8 mA
• Input Bias Current (max): 8 uA
• Low Level Output Current: 7.8 mA
• Maximum Power Dissipation: 600 mW
• Minimum Operating Temperature: - 40 C
• Output Type: 3-State
• Propagation Delay Time: 165 ns @ 2 V or 33 ns @ 4.5 V or 28 ns @ 6 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HC244

V
V
V
V
I
I
I
IN
OZ
CC
Absolute Maximum Ratings
(Note 2)
DC Electrical Characteristics
Symbol
Note 4: For a power supply of 5V
designing with this supply. Worst case V
rent (I
Supply Voltage (V
DC Input Voltage (V
DC Output Voltage (V
Clamp Diode Current (I
DC Output Current, per pin (I
DC V
Storage Temperature Range (T
Power Dissipation (P
Lead Temperature (T
IH
IL
OH
OL
(Note 3)
S.O. Package only
(Soldering 10 seconds)
IN
CC
, I
CC
Minimum HIGH Level
Input Voltage
Maximum LOW Level
Input Voltage
Minimum HIGH Level
Output Voltage
Maximum LOW Level
Output Voltage
Maximum Input
Current
Maximum 3-STATE
Output Leakage
Current
Maximum Quiescent
Supply Current
or GND Current, per pin (I
, and I
OZ
) occur for CMOS at the higher voltage and so the 6.0V values should be used.
Parameter
CC
IN
)
D
L
)
OUT
)
)
IK
, I
)
r
OK
10% the worst case output voltages (V
OUT
)
IH
STG
and V
)
V
|I
V
|I
|I
V
|I
V
|I
|I
V
V
V
G
V
I
CC
OUT
)
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
OUT
IN
)
IL
V
|
|
|
|
|
|
V
V
V
V
V
V
V
IH
occur at V
d
d
d
d
d
d
Conditions
0
IH
IH
IH
IH
CC
IH
CC
V
20
6.0 mA
7.8 mA
20
6.0 mA
7.8 mA


P
, or V
CC

1.5 to V
0.5 to V
or V
or V
or V
or V
A
or GND
or GND
65
P
P
A
A
or GND
(Note 1)

q
IL
IL
IL
IL
IL
C to
0.5 to
CC
(Note 4)
CC
CC
r
r
r
600 mW
500 mW
5.5V and 4.5V respectively. (The V

20 mA
35 mA
70 mA
150
260



7.0V
1.5V
0.5V
q
q
C
C
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
4.5V
6.0V
2.0V
4.5V
6.0V
4.5V
6.0V
6.0V
6.0V
6.0V
V
OH
CC
3
, and V
Supply Voltage (V
DC Input or Output Voltage
Operating Temperature Range (T
Input Rise or Fall Times
Recommended Operating
Conditions
Note 1: Absolute Maximum Ratings are those values beyond which dam-
age to the device may occur.
Note 2: Unless otherwise specified all voltages are referenced to ground.
Note 3: Power Dissipation temperature derating — plastic “N” package:
12 mW/
(V
(t
r
, t
OL
IN
Typ
2.0
4.5
6.0
4.2
5.7
0.2
0.2
0
0
0
f
) occur for HC at 4.5V. Thus the 4.5V values should be used when
, V
q
) V
T
C from 65
A
OUT
V
V
CC
CC
CC
25
)
q
r
r
C
3.15
1.35
3.98
0.26
0.26
1.5
4.2
0.5
1.8
1.9
4.4
5.9
5.4
0.1
0.1
0.1
8.0
2.0V
q
4.5V
6.0V
C to 85
0.1
0.5
IH
CC
value at 5.5V is 3.85V.) The worst case leakage cur-
)
q
T
C.
A
Guaranteed Limits

r
40 to 85
3.15
1.35
3.84
5.34
0.33
0.33
1.5
4.2
0.5
1.8
1.9
4.4
5.9
0.1
0.1
0.1
r
80
1.0
5
A
q
)
C T
Min

2
0
40
A
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55 to 125
3.15
1.35
r
r
160
1.5
4.2
0.5
1.8
1.9
4.4
5.9
3.7
5.2
0.1
0.1
0.1
0.4
0.4
1.0
1000
10
Max
V

500
400
6
85
CC
q
C
Units
q
ns
ns
ns
Units
V
V
C
P
P
P
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V

A
A
A