
1Features• Single Supply Voltage, Range 2.7V to 3.6V• Single Supply for Read and Write• Software Protected Programming• Fast Read Access Time – 200 ns
10AT29BV040A0383F–FLASH–05/02Notes: 1. These parameters are characterized and not 100% tested.2. See tOEspec in AC Read Characteristics.Data Polling W
11AT29BV040A0383F–FLASH–05/02Software Product Identification Entry(1)Software Product Identification Exit(1)Notes: 1. Data Format: I/O7 - I/O0 (Hex);A
12AT29BV040A0383F–FLASH–05/02Ordering InformationtACC(ns)ICC(mA)Ordering Code Package Operation RangeActive Standby200 15 0.04 AT29BV040A-20CCAT29BV04
13AT29BV040A0383F–FLASH–05/02Packaging Information32C1 – CBGA 2325 Orchard Parkway San Jose, CA 95131TITLEDRAWING NO.RREV. 32C1, 32-ball (4 x 8 A
14AT29BV040A0383F–FLASH–05/0232T – TSOP 2325 Orchard Parkway San Jose, CA 95131TITLEDRAWING NO.RREV. 32T, 32-lead (8 x 20 mm Package) Plastic Thin
Printed on recycled paper.0383F–FLASH–05/02 xM© Atmel Corporation 2002.Atmel Corporation makes no warranty for the use of its products, other than tho
2AT29BV040A0383F–FLASH–05/02endurance is such that any sector can be written to in excess of 10,000 times. The pro-gramming algorithm is compatible wi
3AT29BV040A0383F–FLASH–05/02Any attempt to write to the device without the 3-byte command sequence will start theinternal write timers. No data will b
4AT29BV040A0383F–FLASH–05/02and valid data will be read. Examining the toggle bit may begin at any time during a pro-gram cycle.OPTIONAL CHIP ERASE MO
5AT29BV040A0383F–FLASH–05/02Note: 1. After power is applied and VCCis at the minimum specified data sheet value, the system should wait 20 ms before a
6AT29BV040A0383F–FLASH–05/02AC Read WaveformsNotes: 1. CE may be delayed up to tACC-tCEafter the address transition without impact on tACC.6. OEmay be
7AT29BV040A0383F–FLASH–05/02Input Test Waveforms and Measurement LevelOutput Test LoadNote: 1. These parameters are characterized and not 100% tested.
8AT29BV040A0383F–FLASH–05/02AC Byte Load Waveforms(1)(2)WE ControlledCEControlledAC Byte Load CharacteristicsSymbol Parameter Min Max UnitstAS,tOESAdd
9AT29BV040A0383F–FLASH–05/02Software Protected Program WaveformNotes: 1. OE must be high when WE and CE arebothlow.2. A8 through A18 must specify the
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