(China (Mainland))
Product Summary
The A29040B-70F is a 5.0 volt-only Flash memory organized as 524,288 bytes of 8 bits each. The 512 Kbytes of data are further divided into eight sectors of 64 Kbytes each for flexible sector erase capability. The A29040B-70F is offered in 32-pin PLCC, TSOP, and PDIP packages. The A29040B-70F is designed to be programmed in-system with the standard system 5.0volt VCC supply. Additional 12.0 volt VPP is not required for in-system write or erase operations. However, the A29040B-70F can also be programmed in standard EPROM programmers.
Parametrics
A29040B-70F absolute maximum ratings: (1)Ambient Operating Temperature: -55 to + 125℃; (2)Storage Temperature: -65 to + 125℃; (3)VCC to Ground: -2.0V to 7.0V; (4)Output Voltage: -2.0V to 7.0V; (5)A9 & OE: -2.0V to 12.5V; (6)All other pins: -2.0V to 7.0V; (7)Output Short Circuit Current: 200mA.
Features
A29040B-70F features: (1)5.0V ± 10% for read and write operations; (2)Access times: - 55/70/90 (max.); (3)Current: 20 mA typical active read current; 30 mA typical program/erase current; 1 μA typical CMOS standby; (4)Flexible sector architecture: 8 uniform sectors of 64 Kbyte each; Any combination of sectors can be erased; Supports full chip erase; Sector protection: A hardware method of protecting sectors to prevent any inadvertent program or erase operations within that sector; (5)Extended operating temperature range: -40 to +85℃ for –U series; (6)Embedded Erase Algorithms: Embedded Erase algorithm will automatically erase the entire chip or any combination of designated sectors and verify the erased sectors.
Diagrams
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