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TC55VEM208ASTN55TOSHIBAN/a129avai524,288-WORD BY 8-BIT STATIC RAM


TC55VEM208ASTN55 ,524,288-WORD BY 8-BIT STATIC RAMTC55VEM208ASTN40,55 TENTATIVE TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS 524,288-WOR ..
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TC55VEM208ASTN55
524,288-WORD BY 8-BIT STATIC RAM
TC55VEM208ASTN40,55
(Normal)
17
32
TENTATIVE TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS
524,288-WORD BY 8-BIT STATIC RAM
DESCRIPTION

The TC55VEM208ASTN 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 2.3 to
3.6 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 40 ns. It is automatically placed in low-power mode at 0.7 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. The
TC55VEM208ASTN is available in a plastic 32-pin thin-small-outline package (TSOP).
FEATURES
Low-power dissipation
Operating: 9 mW/MHz (typical) Single power supply voltage of 2.3 to 3.6 V Power down features usingCE Data retention supply voltage of 1.5 to 3.6 V Direct TTL compatibility for all inputs and outputs Wide operating temperature range of −40° to 85°C Standby Current (maximum):
PIN ASSIGNMENT (TOP VIEW)

32 PIN TSOP PIN NAMES Access Times: Package:
TSOPⅠ32-P-0.50 (Weight:0.22 g typ)
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