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Part Number: A29512
Description: The A29512 is a 5.0 volt-only Flash memory organized as 65,535 bytes of 8 bits each. The 6...
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A29512
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DataSheet
General Description
A29512 General Description
The A29512 is a 5.0 volt-only Flash memory organized as 65,535 bytes of 8 bits each. The 64 Kbytes of data are further divided into four sectors for flexible sector erase capability. The 8 bits of data appear on I/O0 - I/O7 while the addresses are input on A0 to A15. The A29512 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 A29512
can also be programmed in standard EPROM programmers. The A29512 has the first toggle bit, I/O6, which indicates whether an Embedded Program or Erase is in progress, or it is in the Erase Suspend. Besides the I/O6 toggle bit, the A29512 has a second toggle bit, I/O2, to indicate whether the addressed sector is being selected for erase. The A29512 also offers the ability to program in the Erase Suspend mode.
The standard A29512 offers access times of 55, 70 and 90 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.
A29512 Maximum Ratings
Ambient Operating Temperature . . . . . -55°C to + 125°C
Storage Temperature . . . . . . . . . . . . . . -65°C to + 125°C
Ground to VCC . . . . . . . . . . . . . . . . . . . . . . . . .-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
Ground to VCC . . . . . . . . . . . . . . . . . . . . . . . . .-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
A29512 Features
5.0V ± 10% for read and write operations
Access times:
- 55/70/90 (max.)
Current:
- 20 mA typical active read current
- 30 mA typical program/erase current
- 1 mA typical CMOS standby
Flexible sector architecture
- 32 Kbyte X 2 sectors
- 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 (max.)
Current:
- 20 mA typical active read current
- 30 mA typical program/erase current
- 1 mA typical CMOS standby
Flexible sector architecture
- 32 Kbyte X 2 sectors
- 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)
A29512 Connection Diagram
A29512
PDF/DataSheet Download
- Datasheet: A29512
- File Size: 300417 KB
- Manufacturer: AMICC [AMIC Technology]
- Click here to Download
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A29512 Relative Products
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