AM29LV640MU datasheet(52/58 Pages) AMD

52 / 58 page

June 12, 2003

Am29LV640MU

AD V A NCE

INF O R M A T IO N

ERASE AND PROGRAMMING PERFORMANCE

Notes:

1. Typical program and erase times assume the following conditions: 25

°C, 3.0 V V

CC. Programming specifications assume

that all bits are programmed to 00h.

2. Maximum values are measured at VCC = 3.0 V, worst case temperature. Maximum values are valid up to and including 100,000

program/erase cycles.

3. Word/Byte programming specification is based upon a single word/byte programming operation not utilizing the write buffer.

4. For 1-16 words or 1-32 bytes programmed ina single write buffer programming operation.

5. Effective write buffer specification is calculated on a per-word/per-byte basis for a 16-word/32-byte write buffer operation.

6. In the pre-programming step of the Embedded Erase algorithm, all bits are programmed to 00h before erasure.

7. System-level overhead is the time required to execute the command sequence(s) for the program command. See Tables 12 and

11 for further information on command definitions.

8. The device has a minimum erase and program cycle endurance of 100,000 cycles.

LATCHUP CHARACTERISTICS

Note: Includes all pins except V

CC. Test conditions: VCC = 3.0 V, one pin at a time.

Parameter

Typ (Note 1)

Max (Note 2)

Unit

Comments

Sector Erase Time

0.5

sec

Chip Erase Time

128

sec

Single Word/Byte Program Time (Note 3)

Byte

100

TBD

µs

Word

100

TBD

µs

Accelerated Single Word/Byte Program Time

(Note 3)

Byte

TBD

µs

Word

TBD

µs

Total Write Buffer Program Time (Note 4)

352

TBD

µs

Effective Write Buffer Program Time (Note 5)

Per Byte

TBD

µs

Per Word

TBD

µs

Total Accelerated Effective Write Buffer

Program Time (Note 4)

282

TBD

µs

Effective Accelerated Write Buffer PRogram

Time (Note 4)

Byte

8.8

TBD

µs

Description

Min

Max

Input voltage with respect to V

SS on all pins except I/O pins

(including A9, OE#, and RESET#)

–1.0 V

12.5 V

Input voltage with respect to V

SS on all I/O pins

–1.0 V

CC + 1.0 V

CC Current

–100 mA

+100 mA

AM29LV640MU Datasheet(PDF) 52 Page - Advanced Micro Devices

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