AM29F160DB-90EI Spansion Inc., AM29F160DB-90EI Datasheet - Page 16

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AM29F160DB-90EI

Manufacturer Part Number
AM29F160DB-90EI
Description
Flash Memory IC
Manufacturer
Spansion Inc.
Datasheet

Specifications of AM29F160DB-90EI

Memory Size
16Mbit
Memory Configuration
2M X 8 / 1M X 16
Ic Interface Type
Parallel
Access Time
90ns
No. Of Pins
48
Operating Temperature Range
-40°C To +85°C
Termination Type
SMD
Memory Voltage, Vcc
5V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AM29F160DB-90EI
Manufacturer:
NEC
Quantity:
50
Part Number:
AM29F160DB-90EI
Manufacturer:
AMD
Quantity:
20 000
14
Sector Protect
Temporary Sector
Unprotect Mode
Algorithm
Device failed
Increment
PLSCNT
PLSCNT
= 25?
No
Yes
No
No
Write 60h to sector
Protect: Write 40h
to sector address
A6 = 0, A1 = 1,
Protect another
Sector Protect:
sector address
RESET# = V
A1 = 1, A0 = 0
A1 = 1, A0 = 0
Sector Protect
Verify Sector
from RESET#
Set up sector
Cycle = 60h?
Remove V
PLSCNT = 1
address with
with A6 = 0,
with A6 = 0,
Wait 150 µs
Data = 01h?
Write reset
Read from
First Write
command
Wait 1 µs
complete
address
START
sector?
Figure 2. In-System Sector Protect/Unprotect Algorithms
A0 = 0
Yes
Yes
No
ID
ID
Yes
PLSCNT = 1
Reset
Am29F160D
The indicated portion
Protect all sectors:
unprotected sectors
of the sector protect
prior to issuing the
unprotect address
algorithm must be
performed for all
Sector Unprotect
first sector
Algorithm
Device failed
Increment
PLSCNT
PLSCNT
= 1000?
Yes
No
No
No
Write 60h to sector
Set up first sector
Sector Unprotect:
Unprotect: Write
Sector Unprotect
A6 = 1, A1 = 1,
A6 = 1, A1 = 1,
sector address
RESET# = V
A1 = 1, A0 = 0
40h to sector
from RESET#
Verify Sector
address with
Cycle = 60h?
PLSCNT = 1
address with
with A6 = 1,
Remove V
Data = 00h?
Write reset
Wait 15 ms
Read from
Last sector
First Write
command
All sectors
protected?
Wait 1 µs
complete
address
verified?
START
A0 = 0
A0 = 0
Yes
Yes
Yes
Yes
ID
ID
No
No
Temporary Sector
Unprotect Mode
next sector
address
Set up

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