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A420616 Datasheet(PDF) 2 Page - AMIC Technology |
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A420616 Datasheet(HTML) 2 Page - AMIC Technology |
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2 / 25 page  A420616 Series Preliminary 1M X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE PRELIMINARY (June, 2002, Version 0.2) 1 AMIC Technology, Inc. Features n Organization: 1,048,576 words X 16 bits n Part Identification - A420616 (1K Ref.) n Single 5.0V power supply/built-in VBB generator n Low power consumption - Operating: 120mA (-45 max) - Standby: 1.0mA (TTL), 1.0mA (CMOS) 1.5mA (Self-refresh current) n High speed - 45/50 ns RAS access time - 20/22 ns column address access time - 12/13 ns CAS access time - 18/20 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 1K Refresh Cycle in 16ms n Read-modify-write, RAS -only, CAS -before- RAS , Hidden refresh capability n TTL-compatible, three-state I/O n JEDEC standard packages - 400mil, 42-pin SOJ - 400mil, 44/50 TSOP type II package General Description The A420616 is a new generation randomly accessed memory for graphics, organized in a 1,048,576-word by 16-bit configuration. This product can execute Byte Write and Byte Read operation via two CAS pins. The A420616 offers an accelerated Fast Page Mode Pin Configuration n nSOJ n n TSOP VCC I/O0 I/O1 NC NC A1 A2 A3 A4 A5 A6 A7 A8 I/O13 I/O14 I/O15 VSS 23 WE RAS I/O12 OE I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 NC NC VCC UCAS LCAS NC I/O8 I/O9 I/O10 I/O11 VSS 20 19 18 12 16 17 13 14 15 11 10 9 8 7 6 5 4 3 2 1 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 VCC I/O0 I/O1 NC A0 A1 A2 A4 A5 A6 A7 A8 I/O13 I/O14 I/O15 VSS 24 WE RAS I/O12 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 NC NC NC VCC VSS LCAS UCAS NC I/O8 I/O9 I/O10 I/O11 VSS 21 20 19 13 17 18 14 15 16 12 10 9 8 7 6 5 4 3 2 1 25 26 27 28 29 30 31 32 33 35 36 37 38 39 40 41 42 43 44 VCC OE 21 22 VSS VCC A0 A9 11 22 23 A3 A9 NC 34 NC cycle with a feature called Extended Data Out (EDO). This allow random access of up to 1024 words within a row at a 56/50 MHz EDO cycle, making the A420616 ideally suited for graphics, digital signal processing and high performance computing systems. Pin Descriptions Symbol Description A0 – A9 Address Inputs I/O0 - I/O15 Data Input/Output RAS Row Address Strobe LCAS Column Address Strobe for Lower Byte (I/O0 – I/O7) UCAS Column Address Strobe for Upper Byte (I/O8 – I/O15) WE Write Enable OE Output Enable VCC 5.0V Power Supply VSS Ground NC No Connection |
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