TC55VCM216ASTN55 ,262,144-WORD BY 16-BIT FULL CMOS STATIC RAMFEATURES • Access Times (maximum): • Low-power dissipation Operating: 9 mW/MHz (typical) TC55VCM216 ..
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TC55VCM216ASTN40-TC55VCM216ASTN55-TC55VCM216ASTN-55
262,144-WORD BY 16-BIT FULL CMOS STATIC RAM
TC55VCM216ASTN40,55
TENTATIVE TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS
262,144-WORD BY 16-BIT FULL CMOS STATIC RAM
DESCRIPTION The TC55VCM216ASTN is a 4,194,304-bit static random access memory (SRAM) organized as 262,144 words by
16 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 and a minimum cycle time of 40 ns. It is automatically placed in low-power mode at 0.7 µA standby
current (at VDD = 3 V, Ta = 25°C, typical) when chip enable (CE1) is asserted high or (CE2) is asserted low. There
are three control inputs. CE1 and CE2 are used to select the device and for data retention control, and output
enable ( OE ) provides fast memory access. Data byte control pin ( LB, UB ) provides lower and upper byte 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 extreme temperature range of −40° to 85°C, the
TC55VCM216ASTN can be used in environments exhibiting extreme temperature conditions. The
TC55VCM216ASTN is available in a plastic 48-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 usingCE1 and CE2 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) PIN NAMES 48 PIN TSOP
*: OP pin must be open or connected to GND. Access Times (maximum): Package:
TSOPⅠ48-P-1214-0.50 (Weight:0.35 g typ)
(Normal)
25
48
