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M5M29GB640C3BXAI-12 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers |
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M5M29GB640C3BXAI-12 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers |
4 / 42 page 5 P/N:PM0900 M5M29GB640VP REV. 0.3, NOV. 21, 2002 Table 1. Pin Description Symbol Type Description and Function A0-A21 input Address inputs for memory address. Data pin float to high-impedance when the chip is deselected or outputs are disable. Addresses are internally latched during a write or erase cycle. DQ0-DQ15 input/output Data inputs/outputs: Inputs array data on the second CE and WE cycle during a pro- gram command. Data is internally latched. Outputs array and configuration data. The data pin float to tri-state when the chip is de-selected. CE input Activates the device's control logic, input buffers, and sense amplifiers. CE high de- selects the memory device and reduce power consumption to standby level. CE is active low. RP input Reset Deep Power Down: when RP=VIL, the device is in reset/deep power down mode, which drives the outputs to High Z, resets the WSM and minimizes current level. When RP=VIH, the device is normal operation. When RP transition the device defaults to the read array mode. WE input Write Enable: to control write to CUI and array sector. WR=VIL becomes active. The data and address is latched WE on the rising edge of the second WE pulse. OE input Output enable: gates the device's outputs during a real cycle. WP input Write protect: when WP is VIL, the boot sectors cannot be written or erased. When WP is VIH, locked boot sectors cannot be written or erase. WP is not affected parameter and main sectors. VCC supply Device power supply: (2.7V~3.6V). VCCQ input I/O Power Supply: supplies for input/output buffers. (Refer to section 6.2.6) GND supply Ground voltage: all the GND pin shall not be connected. |
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