Octal Buffer/Line Driver
74FR244 Octal Buffer/Line Driver with 3-STATE Outputs
December 1990 Revised August 1999
74FR244 Octal Buffer/Line Driv...
Description
74FR244 Octal Buffer/Line Driver with 3-STATE Outputs
December 1990 Revised August 1999
74FR244 Octal Buffer/Line Driver with 3-STATE Outputs
General Description
The 74FR244 is a non-inverting octal buffer and line driver designed to be employed as memory and address driver, clock driver and bus-oriented transmitter/receiver.
Features
s 3-STATE outputs drive bus lines or buffer memory address registers s Outputs sink 64 mA and source 15 mA s Guaranteed pin-to-pin skew
Ordering Code:
Order Number 74FR244SC 74FR244SJ 74FR244PC Package Number M20B M20D N20A Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names OE1,–OE2 I0–I7 O0–O7 Description Output Enable Input (Active-LOW) Inputs Outputs
Truth Tables
Inputs OE1 L L H Inputs OE2 L L H
H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance
Outputs In L H X (Pins 12, 14, 16, 18) L H Z Outputs In L H X (Pins 3, 5, 7, 9) L H Z
© 1999 Fairchild Semiconductor Corporation
DS010900
www.fairchildsemi.com
74FR244
Absolute Maximum Ratings(Note 1)
Storage Temperature Ambient Temperature Under Bias Junction Temperature Under Bias VCC Pin Potential to Ground Pin Input Voltage (Note 2) I...
Similar Datasheet