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UC62WV0256AC-70 датащи(PDF) 2 Page - List of Unclassifed Manufacturers |
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UC62WV0256AC-70 датащи(HTML) 2 Page - List of Unclassifed Manufacturers |
2 / 10 page Low Power CMOS SRAM 32K X8 Bits UC62WV0256 -35/-55/-70 PIN DESCRIPTION Name Type Function A0 – A14 Input Address inputs for selecting one of the 32768 x 8 bit words in the RAM CE\ Input CE\ is active LOW. Chip enable must be active when data read from or write to the device. If chip enable is not active, the device is deselected and not in a standby power down mode. The DQ pins will be in high impedance state when the device is deselected. WE\ Input The Write enable input is active LOW and controls read and write operations. With the chip selected, when WE\ is HIGH and OE\ is LOW, output data will be present on the DQ pins, when WE\ is LOW, the data present on the DQ pins will be written into the selected memory location. OE\ Input The output enable input is active LOW. If the output enable is active while the chip is selected and the write enable is inactive, data will be present on the DQ pins and they will be enabled. The DQ pins will be in the high impedance state when OE\ is inactive. DQ0 – DQ7 I/O These 8 bi0directional ports are used to read data from or write data into the RAM. Vcc Power Power Supply Gnd Power Ground TRUTH TABLE Mode WE\ CE\ OE\ I/O state Vcc Current Not Selected X H X High Z ISB,ISB1 Output Disabled H L H High Z ICC Read H L L DOUT ICC Write L L X DIN ICC ABSOLUTE MAXIMUM RATINGS (1) SYMBOL PARAMETER RATING UNIT VTERM Terminal Voltage with Respect to GND -0.5 to VCC+0.5 V TBIAS Temperature Under Bias -40 to 125 ℃ TSTG Storage Temperature -50 to 150 ℃ PT Power Dissipation 50mW W IOUT DC Output Current 10 mA 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. OPERATING RANGE RANGE AMBIENT TEMPERATURE VCC Commercial 0℃ to 70℃ 2.0V ~ 5.6V Industrial -25℃ to 85℃ 2.0V ~ 5.6V CAPACITANCE (1)(TA=25℃,f=1.0MHz) SYMBOL PARAMETER CONDITIONS MAX. UNIT CIN Input Capacitance VIN=0V 6 pF CDQ Input/Output Capacitance VDQ 8 pF 1. This parameter is guaranteed and not 100% tested. U-Chip Technology Corp. LTD. Revision 2.0 Reserves the right to modify document contents without notice. PAGE 2 |
Аналогичный номер детали - UC62WV0256AC-70 |
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Аналогичное описание - UC62WV0256AC-70 |
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