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IS62C256-45U Datasheet(PDF) 1 Page - Integrated Silicon Solution, Inc |
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IS62C256-45U Datasheet(HTML) 1 Page - Integrated Silicon Solution, Inc |
1 / 8 page Integrated Silicon Solution, Inc. — 1-800-379-4774 1 SR072-1E 05/12/99 ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors which may appear in this publication. © Copyright 1999, Integrated Silicon Solution, Inc. FEATURES • Access time: 45, 70 ns • Low active power: 200 mW (typical) • Low standby power — 250 µW (typical) CMOS standby — 28 mW (typical) TTL standby • Fully static operation: no clock or refresh required • TTL compatible inputs and outputs • Single 5V power supply DESCRIPTION The ISSI IS62C256 is a low power, 32,768 word by 8-bit CMOS static RAM. It is fabricated using ISSI's high- performance, low power CMOS technology. When CSis HIGH (deselected), the device assumes a standby mode at which the power dissipation can be reduced down to 250 µW (typical) at CMOS input levels. Easy memory expansion is provided by using an active LOW Chip Select ( CS) input and an active LOW Output Enable (OE) input. The active LOW Write Enable ( WE) controls both writing and reading of the memory. The IS62C256 is pin compatible with other 32K x 8 SRAMs in plastic SOP or TSOP (Type I) package. IS62C256 32K x 8 LOW POWER CMOS STATIC RAM FUNCTIONAL BLOCK DIAGRAM A0-A14 CS OE WE 32K X 8 MEMORY ARRAY DECODER COLUMN I/O CONTROL CIRCUIT GND VCC I/O DATA CIRCUIT I/O0-I/O7 ISSI® |
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