Rainbow-electronics AT29C040A Manuel d'utilisateur

1Features• Fast Read Access Time – 90 ns• 5-volt Only Reprogramming• Sector Program Operation– Single Cycle Reprogram (Erase and Program)– 2048 Sector

10AT29C040A0333I–FLASH–05/02Software Data ProtectionEnable Algorithm(1)Notes: 1. Data Format: I/O7 - I/O0 (Hex);Address Format: A14 - A0 (Hex).2. Data

11AT29C040A0333I–FLASH–05/02Notes: 1. These parameters are characterized and not 100% tested.2. See tOEspec in AC Read Characteristics.Data Polling Wa

12AT29C040A0333I–FLASH–05/02Software Product Identification Entry(1)Software Product Identification Exit(1)Notes: 1. Data Format: I/O7 - I/O0 (Hex);Ad

13AT29C040A0333I–FLASH–05/02Ordering InformationtACC(ns)ICC(mA)Ordering Code Package Operation RangeActive Standby90 40 0.1 AT29C040A-90JCAT29C040A-90

14AT29C040A0333I–FLASH–05/02Packaging Information32J–PLCCDRAWING NO.REV. 2325 Orchard Parkway San Jose, CA 95131RTITLE32J, 32-lead, Plastic J-lea

15AT29C040A0333I–FLASH–05/0232P6 – PDIP 2325 Orchard Parkway San Jose, CA 95131TITLEDRAWING NO.RREV. 32P6, 32-lead (0.600"/15.24 mm Wide) Pla

16AT29C040A0333I–FLASH–05/0232T – TSOP Type 1 2325 Orchard Parkway San Jose, CA 95131TITLEDRAWING NO.RREV. 32T, 32-lead (8 x 20 mm Package) Plasti

Printed on recycled paper.© Atmel Corporation 2002.Atmel Corporation makes no warranty for the use of its products, other than those expressly contain

2AT29C040A0333I–FLASH–05/02To allow for simple in-system reprogrammability, the AT29C040A does not require high inputvoltages for programming. Five-vo

3AT29C040A0333I–FLASH–05/02SOFTWARE DATA PROTECTION: A software controlled data protection feature is avail-able on the AT29C040A. Once the software p

4AT29C040A0333I–FLASH–05/02BOOT BLOCK PROGRAMMING LOCKOUT: The AT29C040A has two designated memoryblocks that have a programming lockout feature. This

5AT29C040A0333I–FLASH–05/02Notes: 1. X can be VILor VIH.2. Refer to AC Programming Waveforms.3. VH= 12.0V ± 0.5V.4. Manufacturer Code: 1F, Device Code

6AT29C040A0333I–FLASH–05/02AC Read Waveforms(1)(2)(3)(4)Notes: 1. CE may be delayed up to tACC-tCEafter the address transition without impact on tACC.

7AT29C040A0333I–FLASH–05/02Input Test Waveforms and Measurement LevelOutput Test LoadNote: 1. This parameter is characterized and is not 100% tested.t

8AT29C040A0333I–FLASH–05/02AC Byte Load Waveforms(1)WE ControlledCE ControlledNote: 1. A complete sector (256 bytes) should be loaded using the wavefo

9AT29C040A0333I–FLASH–05/02Program Cycle Waveforms(1)(2)(3)Notes: 1. A8 through A18 must specify the sector address during each high to low transition