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Cypress
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Part No. |
CY7C149-25PC CY7C149-45PC
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OCR Text |
...UNDEFINED
C148-8
tAW tWP
twa
tDH
tOW HIGH IMPEDANCE
Notes: 10. WE is HIGH for read cycle. 11. Device is continuously selected, CS = VIL. 12. Address valid prior to or coincident with CS transition LOW.
Document #: 38-0505... |
Description |
Memory : Async SRAMs
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File Size |
203.54K /
9 Page |
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Intersil
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Part No. |
82C54
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OCR Text |
...stable before wr 0-0-0-ns (11) twa address hold time after wr 0-0-0-ns (12) tww wr pulse width 95 - 95 - 95 - ns (13) tdw data setup time before wr 140 - 95 - 95 - ns (14) twd data hold time after wr 25-0-0-ns (15) trv command recover... |
Description |
Programmable Interval Timer, CMOS, 8, 10 and 12MHz
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File Size |
353.85K /
21 Page |
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it Online |
Download Datasheet
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Price and Availability
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