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Command definition (in hex), Absolute maximum ratings – Rainbow Electronics AT49LV040 User Manual

Page 4

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AT49BV/LV040

4

Notes:

1. The 16K byte boot sector has the address range 00000H to 03FFFH.
2. Either one of the Product ID Exit commands can be used.

Command Definition (in Hex)

Command
Sequence

Bus

Cycles

1st Bus

Cycle

2nd Bus

Cycle

3rd Bus

Cycle

4th Bus

Cycle

5th Bus

Cycle

6th Bus

Cycle

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Read

1

Addr

D

OUT

Chip Erase

6

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

5555

10

Byte Program

4

5555

AA

2AAA

55

5555

A0

Addr

D

IN

Boot Block Lockout

(1)

6

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

5555

40

Product ID Entry

3

5555

AA

2AAA

55

5555

90

Product ID Exit

(2)

3

5555

AA

2AAA

55

5555

F0

Product ID Exit

(2)

1

XXXX

F0

Absolute Maximum Ratings*

Temperature under Bias ................................ -55

°C to +125°C

*NOTICE:

Stresses beyond those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions beyond those indicated in the operational sec-
tions of this specification is not implied. Exposure to
absolute maximum rating conditions for extended
periods may affect device reliability.

Storage Temperature ..................................... -65

°C to +150°C

All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V

All Output Voltages
with Respect to Ground .............................-0.6V to V

CC

+ 0.6V

Voltage on OE
with Respect to Ground ..................................-0.6V to + 13.5V