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IDT7132LA20CB Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT7132LA20CB Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 11 page Integrated Device Technology, Inc. MILITARY AND COMMERCIAL TEMPERATURE RANGES OCTOBER 1996 ©1996 Integrated Device Technology, Inc. DSC-2692/8 HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM IDT7132SA/LA IDT7142SA/LA FUNCTIONAL BLOCK DIAGRAM The IDT logo is a registered trademark of Integrated Device Technology, Inc. DESCRIPTION: The IDT7132/IDT7142 are high-speed 2K x 8 Dual-Port Static RAMs. The IDT7132 is designed to be used as a stand- alone 8-bit Dual-Port RAM or as a “MASTER” Dual-Port RAM together with the IDT7142 “SLAVE” Dual-Port in 16-bit-or- more word width systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 16-or-more-bit memory system applications results in full-speed, error-free operation without the need for additional discrete logic. Both devices provide two independent ports with separate control, address, and l/O pins that permit independent, asyn- chronous access for reads or writes to any location in memory. An automatic power down feature, controlled by CE permits the on-chip circuitry of each port to enter a very low standby power mode. Fabricated using IDT’s CMOS high-performance technol- ogy, these devices typically operate on only 550mW of power. Low-power (LA) versions offer battery backup data retention capability, with each Dual-Port typically consuming 200 µW from a 2V battery. The IDT7132/7142 devices are packaged in a 48-pin sidebraze or plastic DIPs, 48-pin LCCs, 52-pin PLCCs, and 48-lead flatpacks. Military grade product is manufactured in compliance with the latest revision of MIL-STD-883, Class B, making it ideally suited to military temperature applications demanding the highest level of performance and reliability. FEATURES: • High-speed access — Military: 25/35/55/100ns (max.) — Commercial: 25/35/55/100ns (max.) — Commercial: 20ns only in PLCC for 7132 • Low-power operation — IDT7132/42SA Active: 550mW (typ.) Standby: 5mW (typ.) — IDT7132/42LA Active: 550mW (typ.) Standby: 1mW (typ.) • Fully asynchronous operation from either port • MASTER IDT7132 easily expands data bus width to 16-or- more bits using SLAVE IDT7142 • On-chip port arbitration logic (IDT7132 only) • BUSY output flag on IDT7132; BUSY input on IDT7142 • Battery backup operation —2V data retention • TTL-compatible, single 5V ±10% power supply • Available in popular hermetic and plastic packages • Military product compliant to MIL-STD, Class B • Standard Military Drawing # 5962-87002 • Industrial temperature range (–40 °C to +85°C) is available, tested to miliary electrical specifications NOTES: 1. IDT7132 (MASTER): BUSY is open drain output and requires pullup resistor of 270 Ω. IDT7142 (SLAVE): BUSY is input. 2. Open drain output: requires pullup resistor of 270 Ω. 6.02 1 I/O Control Address Decoder MEMORY ARRAY ARBITRATION LOGIC Address Decoder I/O Control R/ WL CEL OEL BUSYL A10L A0L 2692 drw 01 I/O0L- I/O7L CEL BUSYR I/O0R-I/O7R A10R A0R CER (1,2) (1,2) R/ WR CER OER 11 11 For latest information contact IDT’s web site at www.idt.com or fax-on-demand at 408-492-8391. |
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