Datasheet > A29040A-70

A29040A-70

更新时间： 2024-01-13 21:23:54

品牌	Logo	应用领域
联笙电子 - AMICC		/
页数	文件大小	规格书
30页	287K
描述
512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory

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技术参数
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A29040A-70 技术参数

是否Rohs认证：	不符合	生命周期：	Contact Manufacturer
包装说明：	DIP, DIP32,.6	Reach Compliance Code：	unknown
风险等级：	5.8	最长访问时间：	70 ns
命令用户界面：	YES	数据轮询：	YES
耐久性：	100000 Write/Erase Cycles	JESD-30 代码：	R-PDIP-T32
长度：	41.91 mm	内存密度：	4194304 bit
内存集成电路类型：	FLASH	内存宽度：	8
功能数量：	1	部门数/规模：	8
端子数量：	32	字数：	524288 words
字数代码：	512000	工作模式：	ASYNCHRONOUS
最高工作温度：	70 °C	最低工作温度：
组织：	512KX8	封装主体材料：	PLASTIC/EPOXY
封装代码：	DIP	封装等效代码：	DIP32,.6
封装形状：	RECTANGULAR	封装形式：	IN-LINE
并行/串行：	PARALLEL	电源：	5 V
认证状态：	Not Qualified	座面最大高度：	5.334 mm
部门规模：	64K	最大待机电流：	0.000005 A
子类别：	Flash Memories	最大压摆率：	0.04 mA
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	4.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	NO
技术：	CMOS	温度等级：	COMMERCIAL
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	切换位：	YES
类型：	NOR TYPE	宽度：	15.24 mm
Base Number Matches：	1

A29040A-70 数据手册

A29040A Series

verifying sector protection, the sector address must appear

on the appropriate highest order address bits. Refer to the

corresponding Sector Address Tables. The Command

Definitions table shows the remaining address bits that are

don't care. When all necessary bits have been set as

required, the programming equipment may then read the

corresponding identifier code on I/O7 - I/O0.To access the

autoselect codes in-system, the host system can issue the

autoselect command via the command register, as shown

in the Command Definitions table. This method does not

require VID. See "Command Definitions" for details on

using the autoselect mode.

Autoselect Mode

The autoselect mode provides manufacturer and device

identification, and sector protection verification, through

identifier codes output on I/O7 - I/O0. This mode is primarily

intended for programming equipment to automatically

match a device to be programmed with its corresponding

programming algorithm. However, the autoselect codes

can also be accessed in-system through the command

When using programming equipment, the autoselect mode

requires VID (11.5V to 12.5 V) on address pinA9. Address

pins A6, A1, and AO must be as shown in Autoselect

Codes (High Voltage Method) table. In addition, when

Table 3. A29040A Autoselect Codes (High Voltage Method)

Identifier Code on

I/O7 - I/O0

Description

A18 - A16 A15 - A10 A9

A8 - A7 A6 A5 - A2 A1

Manufacturer ID: AMIC

Device ID: A29040A

VID

VIL

VIH

37h

86h

0lh (protected)

00h (unprotected)

Sector Protection

Verification

Sector

Address

VID

VIL

VIH

VIL

VIH

Continuation ID

7Fh

Sector Protection/Unprotection

Write Pulse "Glitch" Protection

The hardware sector protection feature disables both

program and erase operations in any sector. The hardware

sector unprotection feature re-enables both program and

erase operations in previously protected sectors.

Noise pulses of less than 5ns (typical) on

do not initiate a write cycle.

OE CE

Logical Inhibit

Sector protection/unprotection must be implemented using

programming equipment. The procedure requires a high

voltage (VID) on address pin A9 and the control pins.

The device is shipped with all sectors unprotected.

It is possible to determine whether a sector is protected or

unprotected. See "Autoselect Mode" for details.

Write cycles are inhibited by holding any one of

=VIL,

= VIH or

= VIH. To initiate a write cycle,

and

must be a logical zero while

is a logical one.

Power-Up Write Inhibit

Hardware Data Protection

= VIL and

= VIH during power up, the

device does not accept commands on the rising edge of

. The internal state machine is automatically reset to

The requirement of command unlocking sequence for

programming or erasing provides data protection against

inadvertent writes (refer to the Command Definitions table).

In addition, the following hardware data protection measures

prevent accidental erasure or programming, which might

otherwise be caused by spurious system level signals during

VCC power-up transitions, or from system noise. The device

is powered up to read array data to avoid accidentally writing

data to the array.

reading array data on the initial power-up.

PRELIMINARY

(August, 2001, Version 0.1)

AMIC Technology, Inc.

1...3 4 567 8 9...30

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A29040AL-70	AMICC	512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory	获取价格
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