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A428316 Dataheets PDF



Part Number A428316
Manufacturers AMIC Technology
Logo AMIC Technology
Description 256K X 16 CMOS DYNAMIC RAM
Datasheet A428316 DatasheetA428316 Datasheet (PDF)

A428316 Series Preliminary Document Title 256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE Revision History Rev. No. 0.0 0.1 0.2 0.3 256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE History Initial issue Modify AC data Modify DC data and all parts guarantee self-refresh mode Delete -30,-40 grade and add -25 grade Issue Date June 13, 2001 April 26, 2002 June 10, 2002 August 20, 2002 Remark Preliminary PRELIMINARY (August, 2002, Version 0.3) AMIC Technology, Inc. A428316 Series Preliminary Featu.

  A428316   A428316



Document
A428316 Series Preliminary Document Title 256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE Revision History Rev. No. 0.0 0.1 0.2 0.3 256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE History Initial issue Modify AC data Modify DC data and all parts guarantee self-refresh mode Delete -30,-40 grade and add -25 grade Issue Date June 13, 2001 April 26, 2002 June 10, 2002 August 20, 2002 Remark Preliminary PRELIMINARY (August, 2002, Version 0.3) AMIC Technology, Inc. A428316 Series Preliminary Features n Organization: 262,144 words X 16 bits n Part Identification - A428316 (512 Ref.) n Single 5.0V power supply/built-in VBB generator n Low power consumption - Operating: 110mA (-25 max) - Standby: 2.5mA (TTL), 1.0mA (CMOS) 1.0mA (Self-refresh current) n High speed - 25/35 ns RAS access time - 12/17 ns column address access time - 8/10 ns CAS access time - 12/16 ns EDO Page Mode Cycle Time n Industrial operating temperature range: -40°C to 85°C for -U n Fast Page Mode with Extended Data Out n Separate CAS ( UCAS , LCAS ) for byte selection n 512 Refresh Cycle in 8ms n Read-modify-write, RAS -only, CAS -before- RAS , Hidden refresh capability n TTL-compatible, three-state I/O n JEDEC standard packages - 400mil, 40-pin SOJ - 400mil, 40/44 TSOP type II package 256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE General Description The A428316 is a new generation randomly accessed memory for graphics, organized in a 262,144-word by 16bit configuration. This product can execute Byte Write and Byte Read operation via two CAS pins. The A428316 offers an accelerated Fast Page Mode This allow random access of up to 512 words within a row at a 83/62 MHz EDO cycle, making the A428316 ideally suited for graphics, digital signal processing and high performance computing systems. Pin Descriptions Symbol Description Address Inputs Data Input/Output Row Address Strobe Column Address Strobe for Lower Byte (I/O0 – I/O7) Column Address Strobe for Upper Byte (I/O8 – I/O15) WE OE VCC VSS NC Write Enable Output Enable 5.0V Power Supply Ground No Connection Pin Configuration nSOJ VCC I/O0 I/O1 I/O2 I/O3 VCC I/O4 I/O5 I/O6 I/O7 NC NC WE RAS NC A0 A1 A2 A3 VCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VSS I/O15 I/O14 I/O13 I/O12 VSS I/O11 I/O10 I/O9 I/O8 NC LCAS UCAS OE A8 A7 A6 A5 A4 VSS n TSOP VCC I/O0 I/O1 I/O2 I/O3 VCC I/O4 I/O5 I/O6 I/O7 NC NC WE RAS NC A0 A1 A2 A3 VCC 1 2 3 4 5 6 7 8 9 10 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 32 31 30 29 28 27 26 25 24 23 VSS I/O15 I/O14 I/O13 I/O12 VSS I/O11 I/O10 I/O9 I/O8 NC LCAS UCAS OE A8 A7 A6 A5 A4 VSS A0 – A8 I/O0 - I/O15 RAS LCAS UCAS cycle with a feature called Extended Data Out (EDO). PRELIMINARY A428316S (August, 2002, Version 0.3) A428316V 1 AMIC Technology, Inc. A428316 Series Selection Guide Symbol tRAC tAA tCAC tOEA tRC tPC Description Maximum RAS Access Time Maximum Column Address Access Time Maximum CAS Access Time Maximu.


A426316B A428316 A42L0616


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