74ABT244
74ABT244 is Octal Buffer/Line Driver manufactured by Fairchild Semiconductor.
Description
The ABT244 is an octal buffer and line driver with 3-STATE outputs designed to be employed as a memory and address driver, clock driver, or bus-oriented transmitter/ receiver.
Features s Non-inverting buffers s Output sink capability of 64 m A, source capability of 32 m A s Guaranteed output skew s Guaranteed multiple output switching specifications s Output switching specified for both 50 p F and 250 p F loads s Guaranteed simultaneous switching, noise level and dynamic threshold performance s Guaranteed latchup protection s High impedance glitch free bus loading during entire power up and power down cycle s Nondestructive hot insertion capability s Disable time less than enable time to avoid bus contention
Ordering Code:
Order Number 74ABT244CSC 74ABT244CSJ 74ABT244CMSA 74ABT244CMTC 74ABT244CPC Package Number M20B M20D MSA20 MTC20 N20A Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names OE1, OE2 Description
Output Enable Input (Active LOW) I0- I7 O0- O7 Inputs Outputs
Truth Table
OE1 H L L I0- 3 X H L O0- 3 Z H L OE2 H L L I4- 7 X H L O4- 7 Z H L
H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance
© 1999 Fairchild Semiconductor Corporation
DS010992
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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) Input Current (Note 2) Voltage Applied to Any Output in the Disabled or Power-Off State in the HIGH State Current...