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Part Number: A29040
Description: The A29040 is a 5.0 volt-only Flash memory organized as 524,288 bytes of 8 bits each. The 512 Kb...
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A29040
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DataSheet
General Description
A29040 General Description
The A29040 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 8 bits of data appear on I/O0 - I/O7 while the addresses are input on A0 to A18.
The A29040 is offered in 32-pin PLCC, TSOP, and PDIP packages. This device is designed to be programmed in- system with the standard system 5.0 volt VCC supply. Additional 12.0 volt VPP is not required for in-system write or erase operations. However, the A29040 can also be programmed in standard EPROM programmers. The A29040 has a second toggle bit, I/O2, to indicate whether the addressed sector is being selected for erase, and also offers the ability to program in the Erase Suspend mode. The standard A29040 offers access times of 55, 70, 90, 120, and 150 ns, allowing high-speed microprocessors to operate without wait states. To eliminate bus contention the device has separate chip enable (CE ), write enable (WE ) and output enable (OE ) controls.
A29040 Maximum Ratings
Ambient Operating Temperature . . . . . -55°C to + 125°C
Storage Temperature . . . . . . . . . . . . . . -65°C to + 125°C
VCC to Ground . . . . . . . . . . . . . . . . . . . . . . . . .-2.0V to 7.0V
Output Voltage (Note 1) . . . . . . . . . . . . . . . . .-2.0V to 7.0V
A9 & OE (Note 2) . . . . . . . . . . . . . . . . . . . . . -2.0V to 12.5V
All other pins (Note 1) . . . . . . . . . . . . . . . . . . -2.0V to 7.0V
Output Short Circuit Current (Note 3) . . . . . . . . . . . 200mA
Storage Temperature . . . . . . . . . . . . . . -65°C to + 125°C
VCC to Ground . . . . . . . . . . . . . . . . . . . . . . . . .-2.0V to 7.0V
Output Voltage (Note 1) . . . . . . . . . . . . . . . . .-2.0V to 7.0V
A9 & OE (Note 2) . . . . . . . . . . . . . . . . . . . . . -2.0V to 12.5V
All other pins (Note 1) . . . . . . . . . . . . . . . . . . -2.0V to 7.0V
Output Short Circuit Current (Note 3) . . . . . . . . . . . 200mA
A29040 Features
5.0V ± 10% for read and write operations
Access times:
- 55/70/90/120/150 (max.)
Current:
- 20 mA typical active read current
- 30 mA typical program/erase current
- 1 mA typical CMOS standby
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
Embedded Erase Algorithms
- Embedded Erase algorithm will automatically erase the entire chip or any combination of designated sectors and verify the erased sectors
- Embedded Program algorithm automatically writes and verifies bytes at specified addresses
Typical 100,000 program/erase cycles per sector
20-year data retention at 125°C
- Reliable operation for the life of the system
Compatible with JEDEC-standards
- Pinout and software compatible with single-power- supply Flash memory standard
- Superior inadvertent write protection
Data Polling and toggle bits
- Provides a software method of detecting completion of program or erase operations
Erase Suspend/Erase Resume
- Suspends a sector erase operation to read data from, or program data to, a non-erasing sector, then resumes the erase operation
Package options
- 32-pin P-DIP, PLCC, or TSOP(Forward type)
Access times:
- 55/70/90/120/150 (max.)
Current:
- 20 mA typical active read current
- 30 mA typical program/erase current
- 1 mA typical CMOS standby
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
Embedded Erase Algorithms
- Embedded Erase algorithm will automatically erase the entire chip or any combination of designated sectors and verify the erased sectors
- Embedded Program algorithm automatically writes and verifies bytes at specified addresses
Typical 100,000 program/erase cycles per sector
20-year data retention at 125°C
- Reliable operation for the life of the system
Compatible with JEDEC-standards
- Pinout and software compatible with single-power- supply Flash memory standard
- Superior inadvertent write protection
Data Polling and toggle bits
- Provides a software method of detecting completion of program or erase operations
Erase Suspend/Erase Resume
- Suspends a sector erase operation to read data from, or program data to, a non-erasing sector, then resumes the erase operation
Package options
- 32-pin P-DIP, PLCC, or TSOP(Forward type)
A29040 Connection Diagram
A29040
PDF/DataSheet Download
- Datasheet: A29040
- File Size: 295074 KB
- Manufacturer: AMICC [AMIC Technology]
- Click here to Download
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