74F244SC Fairchild Semiconductor, 74F244SC Datasheet - Page 2

• Manufacturer Part Number: 74F244SC
• Description: IC BUFF/DVR TRI-ST DUAL 20SOIC
• Manufacturer: Fairchild Semiconductor
• Series: 74Fr

Specifications of 74F244SC

• 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: 74F
• Number Of Channels Per Chip: Octal
• 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): 3
• Output Type: 3-State
• Propagation Delay Time: 5.2 ns @ 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74F244SC.

©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