Rainbow-electronics AT49LV040 Manuale Utente

14-megabit(512K x 8)Single 2.7-voltBattery-Voltage™ Flash MemoryAT49BV040AT49LV040Features• Single Voltage for Read and Write: 2.7V to 3.6V (BV), 3.0V

AT49BV/LV04010Software Product Identification Entry(1)Software Product Identification Exit(1)Notes: 1. Data Format: I/O7 - I/O0 (Hex); Address Format:

AT49BV/LV04011AT49BV/LV040 Ordering InformationtACC(ns)ICC (mA)Ordering Code Package Operation RangeActive Standby90 25 0.05 AT49BV040-90JCAT49BV040-9

AT49BV/LV04012Packaging Information.045(1.14) X 45˚PIN NO. 1IDENTIFY.025(.635) X 30˚ - 45˚.012(.305).008(.203).021(.533).013(.330).530(13.5).490(12.4)

© Atmel Corporation 2001.Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standa

AT49BV/LV0402To allow for simple in-system reprogrammability, theAT49BV/LV040 does not require high input voltages forprogramming. Three-volt-only com

AT49BV/LV0403code to stay in the device while data in the rest of thedevice is updated. This feature does not have to be acti-vated; the boot block’s

AT49BV/LV0404Notes: 1. The 16K byte boot sector has the address range 00000H to 03FFFH.2. Either one of the Product ID Exit commands can be used.Comma

AT49BV/LV0405Notes: 1. X can be VIL or VIH.2. Refer to AC programming waveforms.3. VH = 12.0V ± 0.5V.4. Manufacturer Code: 1FHDevice Code: 13HNotes: 1

AT49BV/LV0406AC Read Waveforms(1)(2)(3)(4)Notes: 1. CE may be delayed up to tACC - tCE after the address transition without impact on tACC.2. OE may b

AT49BV/LV0407AC Byte Load WaveformsWE ControlledCE ControlledAC Byte Load CharacteristicsSymbol Parameter Min Max UnitstAS, tOESAddress, OE Setup Time

AT49BV/LV0408Program Cycle WaveformsChip Erase Cycle WaveformsNote: OE must be high only when WE and CE are both low.Program Cycle CharacteristicsSymb

AT49BV/LV0409Notes: 1. These parameters are characterized and not 100% tested.2. See tOE spec in “AC Read Characteristics” on page 6.Data Polling Wave