PDF IS42VS16100D Data sheet ( Hoja de datos )

Número de pieza	IS42VS16100D
Descripción	512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM
Fabricantes	Integrated Silicon Solution
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No Preview Available ! IS42VS16100D 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM ISSI® www.DataSheet4U.c ADVANCED INFORMATION JULY 2005 FEATURES • Clock frequency: 135, 100, 83 MHz • Power Supply: 1.8V • Fully synchronous; all signals referenced to a positive clock edge • Two banks can be operated simultaneously and independently • Dual internal bank controlled by A11 (bank select) • Programmable burst length (1, 2, 4, 8, full page) • Programmable burst sequence: Sequential/ Interleave • Programmable full and half drive strength • Programmable CAS latency (2, 3 clocks) • 2048 refresh cycles every 32 ms • Random column address every clock cycle • Burst read/write and burst read/single write operations capability • Byte controlled by LDQM and UDQM • Auto Refresh and Self Refresh modes • Partial Array Self-Refresh • Power Down and Deep Power Down • Lead-free package options DESCRIPTION ISSI’s 16Mb Synchronous DRAM IS42VS16100D is organized as a 524,288-word x 16-bit x 2-bank for improved performance. The synchronous DRAMs achieve high-speed data transfer using pipeline architecture. All inputs and outputs signals refer to the rising edge of the clock input. KEY TIMING PARAMETERS Parameter Clock Cycle Time CAS Latency = 3 CAS Latency = 2 Clock Frequency CAS Latency = 3 CAS Latency = 2 Access Time from Clock CAS Latency = 3 CAS Latency = 2 -7.5 -10 Unit 7.4 10 10 12 ns ns 133 100 MHz 100 83 MHz 6 7 ns 8 8 ns Copyright © 2005 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 Rev. 00D 06/30/05 1 1 page IS42VS16100D ABSOLUTE MAXIMUM RATINGS(1) Symbol VDD MAX VDDQ MAX VIN PD MAX ICS TOPR TSTG Parameters Maximum Supply Voltage Maximum Supply Voltage for Output Buffer Input Voltage Allowable Power Dissipation Output Shorted Current Operating Temperature Storage Temperature Com Ext. Rating –0.5 to +2.6 –0.5 to +2.6 –0.5 to +2.6 1 50 0 to +70 -25 to +85 –55 to +150 ISSI ® www.DataSheet4U.com Unit V V V W mA °C °C °C DC RECOMMENDED OPERATING CONDITIONS(2) Commercial (TA = 0°C to +70°C), Extended (TA = -25°C to +85°C) Symbol VDD, VDDQ VIH VIL Parameter Supply Voltage Input High Voltage(3) Input Low Voltage(4) Min. 1.7 0.8 x VDDQ -0.3 Typ. 1.8 — — Max. 1.9 VDDQ + 0.3 +0.3 Unit V V V CAPACITANCE CHARACTERISTICS(1,2) (VDD = 1.8V, TA = +25°C, f = 1 MHz) Symbol Parameter Min. Max. Unit CIN1 Input Capacitance: CLK 2.5 4.0 pF CIN2 Input Capacitance: (A0-A11, CKE, CS, RAS, CAS, WE, LDQM, UDQM) 2.5 5.0 pF CI/O Data Input/Output Capacitance: DQ0-DQ15 4.0 6.5 pF Notes: 1. Stress greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. All voltages are referenced to Vss. 3. VIH (max) = 2.2V with a pulse width ≤ 3 ns. 4. VIL (min) = -1.0V with a pulse width ≤ 3 ns. Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 Rev. 00D 06/30/05 5 5 Page IS42VS16100D COMMANDS (cont.) No-Operation Command CLK CKE HIGH CS RAS CAS WE A0-A9 A10 A11 Mode Register Set Command CLK CKE HIGH CS RAS CAS WE A0-A9 A10 A11 OP-CODE OP-CODE OP-CODE ISSI ® www.DataSheet4U.com Device Deselect Command CLK CKE HIGH CS RAS CAS WE A0-A9 A10 A11 Auto-Refresh Command CLK CKE HIGH CS RAS CAS WE A0-A9 A10 A11 Don't Care Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 Rev. 00D 06/30/05 11 11 Page

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