AM29LV320MH112REF datasheet(54/59 Pages) AMD

54 / 59 page

Am29LV320MH/L

26517B4 January 31, 2007

D A TA

SH EE T

ERASE AND PROGRAMMING PERFORMANCE

Notes:

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

°C, 3.0 V V

CC, Programming specification assume that

all bits are programmed to 00h.

2. Maximum values are measured at VCC = 3.0, 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 in a 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

13 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

3.5

sec

Excludes 00h programming

prior to erasure (Note 6)

Chip Erase Time

sec

Single Word/Byte Program Time (Note 3)

600

µs

Excludes system level

overhead (Note 7)

Accelerated Single Word/Byte Program Time (Note 3)

540

µs

Total Write Buffer Program Time (Note 4)

240

1200

µs

Effective Write Buffer Program Time (Note 5)

Per Byte

7.5

µs

Per Word

µs

Total Accelerated Write Buffer Program Time (Note 4)

200

1040

µs

Effective Accelerated Write Buffer Program Time

(Note 5)

Per Byte

6.25

µs

Per Word

12.5

µs

Chip Program Time

31.5

sec

Description

Min

Max

Input voltage with respect to VSS 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

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