M29F800AT datasheet(12/21 Pages) STMICROELECTRONICS

12 / 21 page

M29F800AT, M29F800AB

12/21

Table 10. DC Characteristics

(TA = 0 to 70°C, –40 to 85°C or –40 to 125°C)

Note: 1. Sampled only, not 100% tested.

2. TA =25 °C, VCC =5V.

Symbol

Parameter

Test Condition

Min

Typ. (2)

Max

Unit

ILI

Input Leakage Current

≤ VIN ≤ VCC

±1

µA

ILO

Output Leakage Current

≤ VOUT ≤ VCC

±1

µA

ICC1

Supply Current (Read)

E=VIL,G = VIH, f = 6MHz

ICC2

Supply Current (Standby) TTL

E= VIH

1mA

ICC3

Supply Current (Standby) CMOS

E=VCC ± 0.2V,

RP = VCC ± 0.2V

150

µA

ICC4

(1)

Supply Current (Program/Erase)

Program/Erase

Controller active

VIL

Input Low Voltage

–0.5

0.8

VIH

Input High Voltage

VCC + 0.5

VOL

Output Low Voltage

IOL = 5.8mA

0.45

VOH

Output High Voltage TTL

IOH = –2.5mA

2.4

Output High Voltage CMOS

IOH = –100µAVCC –0.4

VID

Identification Voltage

11.5

12.5

IID

Identification Current

A9 = VID

100

µA

VLKO

(1)

Program/Erase Lockout Supply

Voltage

3.2

4.2

Alternative Toggle Bit (DQ2). The

Alternative

Toggle Bit can be used to monitor the Program/

Erase controller during Erase operations. The Al-

ternative Toggle Bit is output on DQ2 when the

Status Register is read.

During Chip Erase and Block Erase operations the

Toggle Bit changes from ’0’ to ’1’ to ’0’, etc., with

successive Bus Read operations from addresses

within the blocks being erased. Once the operation

completes the memory returns to Read mode.

During Erase Suspend the Alternative Toggle Bit

changes from ’0’ to ’1’ to ’0’, etc. with successive

Bus Read operations from addresses within the

blocks being erased. Bus Read operations to ad-

dresses within blocks not being erased will output

the memory cell data as if in Read mode.

After an Erase operation that causes the Error Bit

to be set the Alternative Toggle Bit can be used to

identify which block or blocks have caused the er-

ror. The Alternative Toggle Bit changes from ’0’ to

’1’ to ’0’, etc. with successive Bus Read Opera-

tions from addresses within blocks that have not

erased correctly. The Alternative Toggle Bit does

not change if the addressed block has erased cor-

rectly.

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