MM74HC244WM Fairchild Semiconductor, MM74HC244WM Datasheet - Page 4

• Manufacturer Part Number: MM74HC244WM
• Description: IC BUFF/DVR TRI-ST DUAL 20SOIC
• Manufacturer: Fairchild Semiconductor
• Series: 74HCr

Specifications of MM74HC244WM

• 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: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• 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: SMD/SMT
• High Level Output Current: - 7.8 mA
• Input Bias Current (max): 8 uA
• Low Level Output Current: 7.8 mA
• Maximum Power Dissipation: 500 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
• Number Of Lines (input / Output): 8 / 8
• Logic Device Type: Buffer, Non Inverting
• Supply Voltage Range: 2V To 6V
• Logic Case Style: SOIC
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Family Type: HC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

www.fairchildsemi.com
t
t
t
t
t
t
t
C
C
C
PHL
PZH
PHZ
PHL
PZH
PHZ
TLH
Symbol
AC Electrical Characteristics
V
AC Electrical Characteristics
V
Note 5: C
I
PD
IN
OUT
S
CC
CC
, t
, t
, t
, t
, t
, t
, t
Symbol
C
PLH
PZL
PLZ
THL
PLH
PZL
PLZ
PD
5V, T
2.0V-6.0V, C
V
PD
CC
Maximum Propagation
Delay
Maximum Output Enable
Time
Maximum Output Disable
Time
Maximum Output
Rise and Fall Time
Power Dissipation
Capacitance (Note 5)
Maximum Input
Capacitance
Maximum Output
Capacitance
determines the no load dynamic power consumption, P
f
A

I
CC
Maximum Propagation
Delay
Maximum Enable Delay
to Active Output
Maximum Disable Delay
from Active Output
25
.
Parameter
q
C, t
L
r
50 pF, t
t
f
Parameter
6 ns
r
t
f
C
C
C
C
C
C
R
C
C
C
C
C
C
R
C
G
G
(per buffer)
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
6 ns (unless otherwise specified)
V
V
50 pF
150 pF
50 pF
150 pF
50 pF
150 pF
1 k
50 pF
150 pF
50 pF
150 pF
50 pF
150 pF
1 k
50 pF
IH
IL
Conditions
:
:
C
R
C
R
C
L
L
L
L
L
D
45 pF
1 k
45 pF
1 k
5 pF
C
:
:
PD
2.0V
2.0V
4.5V
4.5V
6.0V
6.0V
2.0V
2.0V
4.5V
4.5V
6.0V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
V
CC
V
Conditions
CC
4
2
f

I
CC
Typ
100
58
83
14
17
10
14
75
15
30
13
17
75
15
13
12
50
10
5
T
V
A
CC
, and the no load dynamic current consumption,
25
q
C
165
150
200
150
115
23
33
20
28
30
40
26
34
30
26
60
10
10
20
12
T
A
Guaranteed Limits
Typ
14
17
15

40 to 85
145
208
189
252
189
29
42
25
35
38
50
32
43
38
32
75
15
13
10
20
q
C T
Guaranteed
Limit
A
20
28
25

55 to 125
171
246
224
298
224
34
49
29
42
45
60
38
51
45
38
90
18
15
10
20
q
C
Units
ns
ns
ns
Units
pF
pF
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns