74ACTQ18825CW Ver la hoja de datos (PDF) - Fairchild Semiconductor
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74ACTQ18825CW Datasheet PDF : 7 Pages
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September 1991
Revised January 2000
74ACTQ18825
18-Bit Buffer/Line Driver with 3-STATE Outputs
General Description
The ACTQ18825 contains eighteen non-inverting buffers
with 3-STATE outputs designed to be employed as a mem-
ory and address driver, clock driver, or bus oriented trans-
mitter/receiver. The device is byte controlled. Each byte
has separate 3-STATE control inputs which can be shorted
together for full 18-bit operation.
The ACTQ18825 utilizes Fairchild FACT Quiet Series™
technology to guarantee quiet output switching and
improved dynamic threshold performance. FACT Quiet
Series features GTO™ output control and undershoot cor-
rector for superior performance.
Features
s Utilizes Fairchild FACT Quiet Series technology
s Broadside pinout allows for easy board layout
s Guaranteed simultaneous switching noise level and
dynamic threshold performance
s Guaranteed pin-to-pin output skew
s Separate control logic for each byte
s Extra data width for wider address/data paths or buses
carrying parity
s Outputs source/sink 24 mA
s Additional specs for Multiple Output Switching
s Output loading specs for both 50 pF and 250 pF loads
Ordering Code:
Order Number Package Number
Package Description
74ACTQ18825SSC
MS56A
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
74ACTQ18825MTD
MTD56
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Pin Names
OEn
I0–I17
O0–O17
Description
Output Enable Input (Active LOW)
Inputs
Outputs
FACT™, FACT Quiet Series™ and GTO™ are trademarks of Fairchild Semiconductor Corporation.
© 2000 Fairchild Semiconductor Corporation DS010955
www.fairchildsemi.com
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