Datasheet > AT27BV020-90JJ

AT27BV020-90JJ

更新时间： 2022-12-01 20:28:23

品牌	Logo	应用领域
爱特美尔 - ATMEL		OTP只读存储器
页数	文件大小	规格书
15页	369K
描述
OTP ROM, 256KX8, 90ns, CMOS, PQCC32, PLASTIC, MS-016AE, LCC-32

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AT27BV020-90JJ 数据手册

6. Operating Modes

Mode/Pin

V_IL

V_IH

PGM

X⁽¹⁾

V_PP

V_CC

Outputs

D_OUT

Read⁽²⁾

V_IL

Output Disable⁽²⁾

Standby⁽²⁾

High-Z

D_IN

V_IH

V_IL

V_IH

Rapid Program⁽³⁾

PGM Verify⁽³⁾

PGM Inhibit⁽³⁾

V_IH

V_IL

V_IH

V_PP

D_OUT

High-Z

(4)

A9 = V_H

Product Identification⁽³⁾⁽⁵⁾

V_IL

V_CC

Identification Code

A0 = V_IHor V_IL

A1 - A17 = V_IL

Notes: 1. X Can be V_ILor V_IH.

2. Read, output disable, and standby modes require, 2.7V ≤V_CC≤3.6V, or 4.5V ≤V_CC≤5.5V.

3. Refer to Programming Characteristics. Programming modes requires V_CC= 6.5V.

4. V_H= 12.0 0.5V.

5. 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.

7. DC and AC Operating Conditions for Read Operation

AT27BV020-90

Industrial Operating Temperature (Case)

_CCPower Supply

-40°C - 85°C

2.7V to 3.6V

5V 10%

AT27BV020

0902F–EPROM–12/07

1 2 345 6 7...15

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