Datasheet > AT27C256R-15RI

AT27C256R-15RI

更新时间： 2024-09-22 23:32:11

品牌	Logo	应用领域
其他 - ETC		可编程只读存储器电动程控只读存储器
页数	文件大小	规格书
12页	174K
描述
x8 EPROM

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中文翻译

获取价格

数据手册

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AT27C256R-15RI 数据手册

AT27C256R

Block Diagram

Absolute Maximum Ratings*

*NOTICE:

Stresses beyond those listed under “Absolute Maxi-

mum Ratings” may cause permanent damage to

the device. This is a stress rating only and func-

tional operation of the device at these or any other

conditions beyond those indicated in the opera-

tional sections of this specification is not implied.

Exposure to absolute maximum rating conditions

for extended periods may affect device reliability.

Temperature Under Bias................................ -55°C to +125°C

Storage Temperature..................................... -65°C to +150°C

Voltage on Any Pin with

(1)

Respect to Ground .........................................-2.0V to +7.0V

Voltage on A9 with

Respect to Ground ......................................-2.0V to +14.0V⁽¹⁾

Note:

1. Minimum voltage is -0.6V dc which may undershoot

to -2.0V for pulses of less than 20 ns.Maximum out-

put pin voltage is V_CC+ 0.75V dc which may over-

shoot to +7.0 volts for pulses of less than 20 ns.

V_PPSupply Voltage with

Respect to Ground .......................................-2.0V to +14.0V⁽¹⁾

Operating Modes

Mode\Pin

V_IL

V_IH

V_IL

V_IH

V_PP

V_CC

V_PP

V_CC

V_PP

Outputs

D_OUT

Read

Output Disable

Standby

X⁽¹⁾

High Z

D_IN

X⁽¹⁾

Rapid Program⁽²⁾

PGM Verify⁽²⁾

Optional PGM Verify⁽²⁾

PGM Inhibit⁽²⁾

V_IH

V_IL

V_IH

X⁽¹⁾

D_OUT

V_IL

V_IH

D_OUT

X⁽¹⁾

High Z

(3)

A9 = V_H

Product Identification⁽⁴⁾

V_IL

A0 = V_IHor V_IL

A1 - A14 = V_IL

V_CC

Identification Code

Notes: 1. X can be V_ILor V_IH.

2. Refer to Programming Characteristics.

3. V_H= 12.0 ± 0.5V.

4. Two identifier bytes may be selected. All Ai inputs are held low (V_IL), except A9 which is set to V_Hand A0 which is toggled low

(V_IL) to select the Manufacturer’s Identification byte and high (V_IH) to select the Device Code byte.

1 234 5 6 7...12

中文翻译

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