74F244SCX Fairchild Semiconductor, 74F244SCX Datasheet - Page 2

• Manufacturer Part Number: 74F244SCX
• Description: IC BUFFER/DRIVER DUAL 20SOIC
• Manufacturer: Fairchild Semiconductor
• Series: 74Fr

Specifications of 74F244SCX

• 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)
• Logic Family: F
• Number Of Channels Per Chip: 8
• Polarity: Non-Inverting
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• High Level Output Current: - 15 mA
• Low Level Output Current: 64 mA
• Minimum Operating Temperature: 0 C
• Number Of Lines (input / Output): 8 / 3
• Output Type: 3-State
• Propagation Delay Time: 5.2 ns at 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74F244SCX; 74F244SCXTR

www.fairchildsemi.com
Logic Symbols
Unit Loading/Fan Out
Note 1: Worst-case 74F240 enabled; 74F241, 74F244 disabled
Truth Tables
OE
OE
H
H
L
L
L
L
1
1
OE
OE
I
I
O
0
0
Pin Names
–I
–I
0
–O
1
2
7
7
D
D
, OE
X
H
X
H
L
L
1n
1n
7
, O
2
0
–O
7
O
O
H
H
IEEE/IEC
Z
L
Z
L
1n
1n
74F240
74F240
74F241
3-STATE Output Enable Input (Active LOW)
3-STATE Output Enable Input (Active HIGH)
Inputs (74F240)
Inputs (74F241, 74F244)
Outputs
OE
OE
H
H
H
L
L
L
2
2
Description
D
D
X
H
X
H
L
L
2n
2n
O
O
H
H
Z
L
Z
L
2n
2n
IEEE/IEC
74F244
2
H
L
X
Z
LOW Voltage Level
High Impedance
OE
HIGH Voltage Level
Immaterial
H
L
L
1
1.0/1.667 (Note 1)
1.0/2.667 (Note 1)
600/106.6 (80)
HIGH/LOW
1.0/1.667
1.0/1.667
D
X
H
L
U.L.
1n
O
H
IEEE/IEC
Z
L
1n
74F241
74F244
12 mA/64 mA (48 mA)
Output I
20 A/ 1.6 mA
20 A/ 1 mA
20 A/ 1 mA
20 A/ 1 mA
OE
Input I
H
L
L
2
IH
OH
/I
/I
IL
D
OL
X
H
L
2n
O
H
Z
L
2n