AM29F080B datasheet(35/39 Pages) AMD

35 / 39 page

November 1, 2006 21503G5

Am29F080B

D A TA SH EE T

ERASE AND PROGRAMMING PERFORMANCE

Notes:

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

°C, 5.0 V V

CC, 1,000,000 cycles. Additionally,

programming typicals assume checkerboard pattern.

2. Under worst case conditions of 90°C, VCC = 4.5 V (4.75 for -55), 1,000,000 cycles.

3. The typical chip programming time is considerably less than the maximum chip programming time listed, since most bytes

program faster than the maximum byte program time listed. If the maximum byte program time given is exceeded, only then

does the device set DQ5 = 1. See the section on DQ5 for further information.

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

5. System-level overhead is the time required to execute the four-bus-cycle sequence for programming. See Table 4 for further

information on command definitions.

6. The device has a typical erase and program cycle endurance of 1,000,000 cycles. 1,000,000 cycles are guaranteed.

LATCHUP CHARACTERISTIC

Includes all pins except VCC. Test conditions: VCC = 5.0 Volt, one pin at a time.

TSOP AND SO PIN CAPACITANCE

Notes:

1. Sampled, not 100% tested.

2. Test conditions TA = 25°C, f = 1.0 MHz.

DATA RETENTION

Parameter

Typ (Note 1)

Max (Note 2)

Unit

Comments

Sector Erase Time

sec

Excludes 00h programming prior to

erasure (Note 4)

Chip Erase Time

128

sec

Byte Programming Time

300

µs

Excludes system-level overhead

(Note 5)

Chip Programming Time (Note 3)

7.2

21.6

sec

Min

Max

Input Voltage with respect to VSS on I/O pins

–1.0 V

VCC + 1.0 V

VCC Current

–100 mA

+100 mA

Parameter

Symbol

Parameter Description

Test Conditions

Min

Max

Unit

CIN

Input Capacitance

VIN = 0

7.5

COUT

Output Capacitance

VOUT = 0

8.5

CIN2

Control Pin Capacitance

VIN = 0

7.5

Parameter

Test Conditions

Min

Unit

Minimum Pattern Data Retention Time

150

°C10

Years

125

°C20

Years

AM29F080B 数据表(PDF) 35 Page - Advanced Micro Devices

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AM29F080B 数据表(PDF) 35 Page - Advanced Micro Devices

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