74F244SJX Fairchild Semiconductor, 74F244SJX Datasheet - Page 2
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74F244SJX
Manufacturer Part Number
74F244SJX
Description
IC BUFF/DVR TRI-ST DUAL 20SOP
Manufacturer
Fairchild Semiconductor
Series
74Fr
Specifications of 74F244SJX
Logic Type
Buffer/Line Driver, Non-Inverting
Number Of Elements
2
Number Of Bits Per Element
4
Current - Output High, Low
3mA, 64mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
74F244SJX
Manufacturer:
FAIRCHI
Quantity:
20 000
©1988 Fairchild Semiconductor Corporation
74F240, 74F244 Rev. 1.4
Logic Symbols
Unit Loading/Fan Out
Note:
2. Worst-case 74F240 enabled; 74F244 disabled.
Truth Tables
74F240
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
OE
OE
I
I
O
0
0
–I
–I
OE
Pin Names
0
–O
1
2
H
L
L
7
7
, OE
1
7
, O
2
0
–O
D
X
H
L
1n
7
3-STATE Output Enable Input (Active LOW)
3-STATE Output Enable Input (Active HIGH)
Inputs (74F240)
Inputs (74F244)
Outputs
O
H
Z
L
IEEE/IEC
1n
74F240
OE
H
L
L
2
Description
D
H
X
L
2n
O
H
Z
L
2n
2
74F244
OE
H
L
L
1
600 / 106.6 (80)
HIGH/LOW
1.0 / 1.667
1.0 / 2.667
D
1.0 / 1.667
1.0 / 1.667
H
X
L
1n
U.L.
O
(2)
(2)
H
Z
L
1n
IEEE/IEC
74F244
OE
–12mA / 64mA (48mA)
H
L
L
Output I
2
20µA / –1.6mA
Input I
20µA / –1mA
20µA / –1mA
20µA / –1mA
D
X
H
L
2n
IH
OH
www.fairchildsemi.com
/ I
/ I
IL
OL
,
O
H
Z
L
2n