AM29F002B datasheet(35/40 Pages) AMD

35 / 40 page

Am29F002B/Am29F002NB

November 28, 2000

ERASE AND PROGRAMMING PERFORMANCE

Notes:

1. Typical program and erase times assume the following conditions: 25×C, 5.0 V VCC, 1,000,000 cycles. Additionally,

programming typicals assume checkerboard pattern.

2. Under worst case conditions of 90°C, VCC = 4.5 V (4.75 V for ±5% devices), 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 program times listed.

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 the program command. See Table 5

for further information on command definitions.

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

LATCHUP CHARACTERISTICS

Note: Includes all pins except VCC. Test conditions: VCC = 5.0 V, one pin at a time. RESET# not available on Am29F002NB.

TSOP PIN CAPACITANCE

Notes:

1. Sampled, not 100% tested.

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

Parameter

Typ (Note 1)

Max (Note 2)

Unit

Comments

Sector Erase Time

Excludes 00h programming

prior to erasure (Note 4)

Chip Erase Time

Byte Programming Time

300

µs

Excludes system level

overhead (Note 5)

Chip Programming Time (Note 3)

1.8

5.4

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 VSS on all I/O pins

–1.0 V

VCC + 1.0 V

VCC Current

–100 mA

+100 mA

Parameter

Symbol

Parameter Description

Test Setup

Typ

Max

Unit

CIN

Input Capacitance

VIN = 0

7.5

COUT

Output Capacitance

VOUT = 0

8.5

CIN2

Control Pin Capacitance

VIN = 0

7.5

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