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IC41C1665 Datasheet(PDF) 2 Page - Integrated Circuit Solution Inc |
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IC41C1665 Datasheet(HTML) 2 Page - Integrated Circuit Solution Inc |
2 / 19 page ![]() IC41C1665 IC41LV1665 2 Integrated Circuit Solution Inc. DR031-0A 10/17/2001 ICSI 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 2000, Integrated Circuit Solution Inc. FEATURES • Fast access and cycle time • TTL compatible inputs and outputs • Refresh Interval: 256 cycles/4 ms • Refresh Mode: RAS-Only, CAS-before-RAS (CBR), Hidden • JEDEC standard pinout • Single power supply: — 5V ± 10% (IC41C1665) — 3.3V ± 10% (IC41LV1665) • Byte Write and Byte Read operation via two CAS • Available in 40-pin SOJ and TSOP-2 DESCRIPTION The ICSI IC41C1665 and the IC41LV1665 are 65,536 x 16- bit high-performance CMOS Dynamic Random Access Memory. Fast Page Mode allows 256 random accesses within a single row with access cycle time as short as 12 ns per 16-bit word. The Byte Write control, of upper and lower byte, makes these devices ideal for use in 16-, 32-bit wide data bus systems. These features make the IC41C1665 and the IC41LV1665 ideally suited for high band-width graphics, digital signal processing, high-performance computing systems, and peripheral applications. The IC41C1665 and the IC41LV1665 are packaged in a 40- pin, 400mil SOJ and TSOP-2. 64K x 16 (1-MBIT) DYNAMIC RAM WITH FAST PAGE MODE 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 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 GND I/O15 I/O14 I/O13 I/O12 GND I/O11 I/O10 I/O9 I/O8 NC LCAS UCAS OE NC A7 A6 A5 A4 GND 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 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 GND I/O15 I/O14 I/O13 I/O12 GND I/O11 I/O10 I/O9 I/O8 NC LCAS UCAS OE NC A7 A6 A5 A4 GND PIN DESCRIPTIONS A0-A7 Address Inputs I/O0-I/O15 Data Inputs/Outputs WE Write Enable OE Output Enable RAS Row Address Strobe UCAS Upper Column Address Strobe LCAS Lower Column Address Strobe Vcc Power GND Ground NC No Connection 40-Pin SOJ PIN CONFIGURATIONS 40-Pin TSOP-2 KEY TIMING PARAMETERS Parameter -25 -30 -35 -40 Unit Max. RAS Access Time (tRAC) 2530 3540 ns Max. CAS Access Time (tCAC)8 9 10 11 ns Max. Column Address Access Time (tAA) 1216 1820 ns Min. Fast Page Mode Cycle Time (tPC) 1520 2325 ns Min. Read/Write Cycle Time (tRC) 4355 6575 ns |
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