A160CB12VF 参数 Datasheet PDF下载

型号：	A160CB12VF
PDF下载：	下载PDF文件查看货源
内容描述：	16兆位（2M ×8位/ 1的M× 16位） CMOS 1.8伏只超低电压闪存 [16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 1.8 Volt-only Super Low Voltage Flash Memory]
分类和应用：	闪存
文件页数/大小：	52 页 / 1031 K
品牌：	AMD [ AMD ]

D A T A S H E E T

START

Protect all sectors:

The indicated portion

of the sector protect

algorithm must be

performed for all

PLSCNT = 1

RESET# = V_ID

unprotected sectors

prior to issuing the

first sector

Wait 1 μs

unprotect address

First Write

Cycle = 60h?

First Write

Cycle = 60h?

Temporary Sector

Unprotect Mode

Temporary Sector

Unprotect Mode

Yes

Set up sector

address

All sectors

protected?

Sector Protect:

Write 60h to sector

address with

A6 = 0, A1 = 1,

A0 = 0

Yes

Set up first sector

address

Sector Unprotect:

Wait 150 µs

Write 60h to sector

address with

A6 = 1, A1 = 1,

A0 = 0

Verify Sector

Protect: Write 40h

to sector address

with A6 = 0,

Reset

PLSCNT = 1

Increment

PLSCNT

Wait 15 ms

A1 = 1, A0 = 0

Verify Sector

Unprotect: Write

40h to sector

address with

A6 = 1, A1 = 1,

A0 = 0

Read from

sector address

with A6 = 0,

A1 = 1, A0 = 0

Increment

PLSCNT

= 25?

Read from

sector address

with A6 = 1,

Data = 01h?

Yes

A1 = 1, A0 = 0

Yes

Set up

next sector

address

Yes

PLSCNT

= 1000?

Protect another

sector?

Data = 00h?

Yes

Device failed

Yes

Remove V_ID

from RESET#

Last sector

verified?

Device failed

Write reset

command

Yes

Remove V_ID

Sector Unprotect

Algorithm

from RESET#

Sector Protect

Algorithm

Sector Protect

complete

Write reset

command

Sector Unprotect

complete

Figure 1. In-System Sector Protect/Unprotect Algorithms

Am29SL160C

January 23, 2007 21635C5

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