Datasheet > AM29LV008T-150EEB

AM29LV008T-150EEB

更新时间： 2024-02-04 23:39:41

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		/
页数	文件大小	规格书
39页	142K
描述
Flash Memory,

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技术参数
数据手册

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AM29LV008T-150EEB 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	compliant	风险等级：	5.74

AM29LV008T-150EEB 数据手册

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P R E L I M I N A R Y

Am29LV008 is erased or programmed in a system with-

Autoselect

out access to high voltage on the A9 pin.The command

sequence is illustrated in Table 5 on page 13.

The Autoselect mode allows the reading out of a binary

code from the device and will identify its manufacturer

and type.The intent is to allow programming equipment

to automatically match the device to be programmed

with its corresponding programming algorithm.The Au-

toselect command may also be used to check the sta-

tus of write-protected sectors (see Table 2). This mode

is functional over the entire temperature range of the

device.

Byte 0 (A0 = V ) represents the manufacturer’s code

and byte 1 (A0 = V ) the device identiﬁer code. For the

Am29LV008 these two bytes are given in Table 2. All

identiﬁers for manufacturer and device will exhibit odd

parity with DQ7 deﬁned as the parity bit. In order to

read the proper device codes when executing Autose-

lect, A1 must be V (see Table 2). The device code is

3EH (for top boot block) or 37H (for bottom boot block).

To activate this mode, the programming equipment

must force V (12.0 V ± 5%) on address pin A9. Two

In order to determine which sectors are write protected,

identiﬁer bytes may then be sequenced from the device

A1 must be at V while running through the sector ad-

outputs by toggling address A0 from V to V . All ad-

dresses are don’t cares except A0, A1, and A6 see

Table 2.

dresses; if the selected sector is protected, a logical ‘1’

will be output on DQ0 (DQ0 = 1).

The manufacturer and device codes may also be read

via the command register, for instances when the

Table 2. Autoselect/Sector Protection Codes

Code DQ DQ DQ DQ DQ DQ DQ DQ

Type

A13–A19

(HEX)

Manufacturer Code: AMD

01H

3EH

29LV008 Device

(Top Boot Block)

29LV008 Device

(Bottom Boot Block)

37H

Set Sector

Addresses

Sector Protection

01H*

X = Don’t care.

* Outputs 01H at protected sector addresses.

Am29LV008T/Am29LV008B

1...6 7 8910 11 12...39

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AM29LV008T-150SC	SPANSION	Flash, 1MX8, 150ns, PDSO44, SOP-44	获取价格