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TC55V16256FTI-12 Datasheet(PDF) 1 Page - Toshiba Semiconductor |
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TC55V16256FTI-12 Datasheet(HTML) 1 Page - Toshiba Semiconductor |
1 / 11 page TC55V16256JI/FTI-12,-15 2002-01-07 1/11 • Single power supply voltage of 3.3 V ± 0.3 V • Fully static operation • All inputs and outputs are LVTTL compatible • Output buffer control using OE • Data byte control using LB (I/O1 to I/O8) and UB (I/O9 to I/O16) • Package: SOJ44-P-400-1.27 (JI) (Weight: 1.64 g typ) TSOP II44-P-400-0.80 (FTI) (Weight: 0.45 g typ) TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS 262,144-WORD BY 16-BIT CMOS STATIC RAM DESCRIPTION The TC55V16256JI/FTI is a 4,194,304-bit high-speed static random access memory (SRAM) organized as 262,144 words by 16 bits. Fabricated using CMOS technology and advanced circuit techniques to provide high speed, it operates from a single 3.3 V power supply. Chip enable ( CE ) can be used to place the device in a low-power mode, and output enable ( OE ) provides fast memory access. Data byte control signals ( LB , UB ) provide lower and upper byte access. This device is well suited to cache memory applications where high-speed access and high-speed storage are required. All inputs and outputs are directly LVTTL compatible. The TC55V16256JI/FTI is available in plastic 44-pin SOJ and 44-pin TSOP with 400mil width for high density surface assembly. The TC55V16256JI/FTI guarantees −40° to 85°C operating temperature so it is suitable for use in wide operating temperature system. FEATURES • Fast access time (the following are maximum values) TC55V16256JI/FTI-12:12 ns TC55V16256JI/FTI-15:15 ns • Low-power dissipation (the following are maximum values) Cycle Time 12 15 20 25 ns Operation (max) 230 200 170 150 mA Standby:10 mA (both devices) PIN ASSIGNMENT (TOP VIEW) PIN NAMES 44 PIN SOJ 44 PIN TSOP A0 to A17 Address Inputs I/O1 to I/O16 Data Inputs/Outputs CE Chip Enable Input WE Write Enable Input OE Output Enable Input LB , UB Data Byte Control Inputs VDD Power ( +3.3 V) GND Ground NU Not Usable (Input) A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 I/O4 VDD GND I/O5 I/O6 I/O7 I/O8 A15 A14 A13 A12 A16 A5 A6 A7 I/O16 I/O15 I/O14 I/O13 GND VDD I/O12 I/O11 I/O10 I/O9 NU A8 A9 A10 A11 A17 1 44 2 43 3 42 4 41 5 40 6 39 7 38 8 37 9 36 10 35 11 34 12 33 13 32 14 31 15 30 16 29 17 28 18 27 19 26 20 25 21 24 22 23 CE OE UB LB WE 1 44 2 43 3 42 4 41 5 40 6 39 7 38 8 37 9 36 10 35 11 34 12 33 13 32 14 31 15 30 16 29 17 28 18 27 19 26 20 25 21 24 22 23 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 I/O4 VDD GND I/O5 I/O6 I/O7 I/O8 A15 A14 A13 A12 A16 A5 A6 A7 I/O16 I/O15 I/O14 I/O13 GND VDD I/O12 I/O11 I/O10 I/O9 NU A8 A9 A10 A11 A17 OE UB LB CE WE (TC55V16256FTI) (TC55V16256JI) |
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