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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 secto...

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SeekIC No. : 004260054 Detail

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 ...

A29040 Data Sheet

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Part Number:
A29040
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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) 
 
 


Pinout

Connection Diagram


Specifications

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


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. 




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