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TC554161AFTI-85 Arkusz danych(PDF) 1 Page - Toshiba Semiconductor |
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TC554161AFTI-85 Arkusz danych(HTML) 1 Page - Toshiba Semiconductor |
1 / 10 page TC554161AFTI-70,-85,-10,-70L,-85L,-10L 2001-08-17 1/10 TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS 262,144-WORD BY 16-BIT STATIC RAM DESCRIPTION The TC554161AFTI is a 4,194,304-bit static random access memory (SRAM) organized as 262,144 words by 16bits. Fabricated using Toshiba's CMOS Silicon gate process technology, this device operates from a single 5V ± 10% power supply. Advanced circuit technology provides both high speed and low power at an operating current of 10 mA/MHz (typ) and a minimum cycle time of 70 ns. It is automatically placed in low-power mode at 2 mA 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. 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 TC554161AFTI can be used in environments exhibiting extreme temperature conditions. The TC554161AFTI is available in a plastic 54-pin thin -small-outline package (TSOP). FEATURES · Low-power dissipation Operating: 55 mW/MHz (typical) · Single power supply voltage of 5 V ± 10% · Power down features using CE . · Data retention supply voltage of 2 to 5.5 V · Direct TTL compatibility for all inputs and outputs · Wide operating temperature range of -40° to 85°C · Standby Current (maximum): TC554161AFTI -70,-85,-10 -70L,-85L,-10L 5.5 V 200 mA 100 mA 3.0 V 100 mA 50 mA PIN ASSIGNMENT (TOP VIEW) PIN NAMES A0~A17 Address Inputs I/O1~I/O16 Data Inputs/Outputs CE Chip Enable R/W Read/Write Control OE Output Enable LB , UB Data Byte Control VDD Power ( +5 V) GND Ground NC No Connection OP* Option *: OP pin must be open of connected to GND. · Access Times (maximum): TC554161AFTI -70,-70L -85,-85L -10,-10L Access Time 70 ns 85 ns 100 ns CE Access Time 70 ns 85 ns 100 ns OE Access Time 35 ns 45 ns 50 ns · Package: TSOP II54-P-400-0.80 (AFTI) (Weight: 0.57 g typ) NC A3 A2 A1 A0 I/O16 I/O15 VDD GND I/O14 I/O13 OP R/W I/O12 I/O11 GND VDD I/O10 I/O9 NC A17 A16 A15 A14 A13 A4 A5 A6 A7 NC I/O1 I/O2 VDD GND I/O3 I/O4 OP NC I/O5 I/O6 GND VDD I/O7 I/O8 A8 A9 A10 A11 A12 NC 1 54 2 53 3 52 4 51 5 50 6 49 7 48 8 47 9 46 10 45 11 44 12 43 13 42 14 41 15 40 16 39 17 38 18 37 19 36 20 35 21 34 22 33 23 32 24 31 25 30 26 29 27 28 CE OE UB LB (Normal pinout) |
Podobny numer części - TC554161AFTI-85 |
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Podobny opis - TC554161AFTI-85 |
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