A625308A-70SU - 32K X 8 BIT CMOS SRAM - AMIC Technology datasheet pdf

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32K X 8 BIT CMOS SRAM

Maker : AMIC Technology
Part No. : A625308A-70SU

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Shortcut : A625308A-70S A625308A-70SI A625308A-70SU

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www.DataSheet4U.com A625308A Series Preliminary Document Title 32K X 8 BIT CMOS SRAM Revision History Rev. No. 0.0 0.1 0.2 32K X 8 BIT CMOS SRAM History Initial issue Add ultra temp grade and 28-pin DIP package type Add SI grade Issue Date February 2, 2001 November 7, 2001 July 17, 2002 Remark Preliminary PRELIMINARY (July, 2002, Version 0.2) AMIC Technology, Inc. A625308A Series Preliminary Features n Power Supply Range: 4.5V to 5.5V n Access times: 70 ns A625308A-S series: Operating: Standby: A625308A-SI/SU series: Operating: Standby: n Extended operating temperature range: 0°C to 70°C for -S series, -25°C to 85°C for -SI series, -40°C to 85°C for -SU series. n Full static operation, no clock or refreshing required n All inputs and outputs are directly TTL-compatible n Common I/O using three-state output n Data retention voltage: 2.0V (min.) n Available in 28-pin, DIP/SOP and TSOP 32K X 8 BIT CMOS SRAM 35mA (max.) 10µA (max.) 35mA (max.) 15µA (max.) General Description The A625308A is a low operating current 262,144-bit static random access memory organized as 32,768 words by 8 bits and operates on a voltage from 4.5V to 5.5V. Inputs and three-state outputs are TTL compatible and allow for direct interfacing with common system bus structures. Minimum standby power is drawn by this device when CE is at a high level, independent of the other input levels. Data retention is guaranteed at a power supply voltage as low as 2.0V. Pin Configurations n DIP / SOP n TSOP A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND 1 2 3 4 28 27 26 25 VCC WE A13 A8 A9 A11 OE A10 CE I/O7 I/O6 I/O5 I/O4 I/O3 5 6 7 8 9 10 11 12 13 14 24 23 22 21 20 19 18 17 16 15 PRELIMINARY (July, 2002, Version 0.2) 1 ~ OE A11 A9 A8 A13 WE VCC A14 A12 A7 A6 A5 A4 A3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ~ A625308AV 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A10 CE I/O7 I/O6 I/O5 I/O4 I/O3 VSS I/O2 I/O1 I/O0 A0 A1 A2 A625308A(M) AMIC Technology, Inc. A625308A Series Block Diagram A0 VCC GND A12 A13 A14 ROW DECODER 512 X 512 MEMORY ARRAY I/O0 INPUT DATA CIRCUIT COLUMN I/O I/O7 CE OE WE CONTROL CIRCUIT Pin Descriptions – DIP / SOP Pin No. 1-10, 21, 23-26 11-13, 15-19 20 22 27 28 14 Symbol A0 - A14 I/O0 - I/O7 CE OE WE VCC GND Description Address Input Data Input/Output Chip Enable Output Enable Write Enable Power Supply Ground Pin Description-TSOP Pin No. 2-5, 8-17, 28 18-20, 22-26 27 1 6 7 21 Symbol A0 - A14 I/O0 - I/O7 CE OE WE VCC GND Description Address Input Data Input/Output Chip Enable Output Enable Write Enable Power Supply Ground PRELIMINARY (July, 2002, Version 0.2) 2 AMIC Technology, Inc. A625308A Series Recommended DC Operating Conditions (TA = 0°C to +70°C, -25°C to +85°C or -40°C to +85°C) Symbol VCC GND VIH VIL Parameter Supply Voltage Ground Input High Voltage Input Low Voltage Min. 4.5 0 2.2 -0.5 Typ. 5.0 0 0 Max. 5.5 0 VCC + 0.5 +0.8 Unit V V V V Absolute Maximum Ratings* VCC to GND . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7.0V IN, IN/OUT Volt to GND . . . . . . . . . -0.5V to VCC + 0.5V Operating Temperature, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C or -40°C to +85°C Storage Temperature, Tstg . . . . . . . . . -55°C to +125°C Power Dissipation, PT . . . . . . . . . . . . . . . . . . . . . . 0.7W Soldering Temp. & Time . . . . . . . . . . . . . 260°C, 10 sec *Comments Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only. Functional operation of this device at these or any other conditions above those indicated in the operational sections of this specification is not implied and exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC Electrical Characteristics (TA = 0°C to +70°C, -25°C to +85°C or -40°C to +85°C, VCC = 5.0V ± 10%, GND = 0V) Symbol Parameter A625308A-70S/SI/SU Min. �...

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