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TC55NEM208AFPV55 датащи(PDF) 1 Page - Toshiba Semiconductor |
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TC55NEM208AFPV55 датащи(HTML) 1 Page - Toshiba Semiconductor |
1 / 11 page TC55NEM208AFPV/AFTV55,70 2002-10-31 1/11 TENTATIVE TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS 524,288-WORD BY 8-BIT STATIC RAM DESCRIPTION The TC55NEM208AFPV/AFTV is a 4,194,304-bit static random access memory (SRAM) organized as 524,288 words by 8 bits. Fabricated using Toshiba's CMOS Silicon gate process technology, this device operates from a single 2.7 to 5.5 V power supply. Advanced circuit technology provides both high speed and low power at an operating current of 3 mA/MHz (typ) and a minimum cycle time of 55 ns. It is automatically placed in low-power mode at 1 µA standby current (typ) when chip enable ( CE ) is asserted high. There are two control inputs. CE is used to select the device and for data retention control, and output enable ( OE ) provides fast memory access. This device is well suited to various microprocessor system applications where high speed, low power and battery backup are required. And, with a guaranteed operating range of −40° to 85°C, the TC55NEM208AFPV/AFTV can be used in environments exhibiting extreme temperature conditions. The TC55NEM208AFPV/AFTV is available in a standard plastic 32-pin small-outline package (SOP) and normal and reverse pinout plastic 32-pin thin-small-outline package (TSOP). FEATURES • Low-power dissipation Operating: 15 mW/MHz (typical) • Single power supply voltage of 2.7 to 5.5 V • Power down features using CE . • Data retention supply voltage of 2.0 to 5.5 V • Direct TTL compatibility for all inputs and outputs • Wide operating temperature range of −40° to 85°C • Standby Current (maximum):20 µA PIN ASSIGNMENT (TOP VIEW) PIN NAMES 32 PIN SOP & TSOP A0~A18 Address Inputs R/W Read/Write Control OE Output Enable CE Chip Enable I/O1~I/O8 Data Inputs/Outputs VDD Power GND Ground • Access Times (maximum): TC55NEM208AFPV/AFTV 55 70 Access Time 55 ns 70 ns CE Access Time 55 ns 70 ns OE Access Time 30 ns 35 ns • Package: SOP32-P-525-1.27 (AFPV) (Weight: g typ) TSOP II32-P-400-1.27 (AFTV) (Weight: g typ) 1 32 2 31 3 30 4 29 5 28 6 27 7 26 8 25 9 24 10 23 11 22 12 21 13 20 14 19 15 18 16 17 VDD A15 A17 R/W A13 A8 A9 A11 A10 I/O8 I/O7 I/O6 I/O5 I/O4 A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 GND CE OE (AFPV/AFTV) |
Аналогичный номер детали - TC55NEM208AFPV55 |
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Аналогичное описание - TC55NEM208AFPV55 |
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