Datasheet > AT27C040_07

AT27C040_07

更新时间： 2022-12-27 23:22:32

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
14页	340K
描述
4-Megabit

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数据手册

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AT27C040_07 数据手册

6. Operating Modes

Mode/Pin

V_IL

V_IH

V_PP

X⁽¹⁾

Outputs

D_OUT

Read

Output Disable

High Z

D_IN

Standby

V_IH

V_IL

Rapid Program⁽²⁾

PGM Verify

PGM Inhibit

V_IH

V_IL

V_IH

V_PP

D_OUT

V_IH

High Z

(3)

A9 = V_H

Product Identification⁽⁴⁾

V_IL

A0 = V_IHor V_IL

A1 - A18 = V_IL

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.

7. DC and AC Operating Conditions for Read Operation

AT27C040-70

-40°C - 85°C

5V 10%

AT27C040-90

-40°C - 85°C

5V 10%

Industrial Operating Temperature (Case)

V_CCPower Supply

8. DC and Operating Characteristics for Read Operation

Symbol

Parameter

Condition

Min

Max

Units

µA

I_LI

Input Load Current

V_IN= 0V to V_CC

I_LO

Output Leakage Current

V_OUT= 0V to V_CC

(2)

I_PP1

V_PP⁽¹⁾Read/Standby Current V_PP= V_CC

_SB1(CMOS), CE = V_CC0.3V

100

I_SB

V_CC1⁽¹⁾Standby Current

I_SB2(TTL), CE = 2.0 to V_CC+ 0.5V

f = 5 MHz, I_OUT= 0 mA, CE = V_IL

I_CC

V_CCActive Current

Input Low Voltage

Input High Voltage

Output Low Voltage

Output High Voltage

V_IL

-0.6

2.0

0.8

V_IH

V_OL

V_OH

V_CC+ 0.5

0.4

I_OL= 2.1 mA

I_OH= -400 µA

2.4

Notes: 1. V_CCmust be applied simultaneously or before V_PP, and removed simultaneously or after V_PP.

2. V_PPmay be connected directly to V_CC, except during programming. The supply current would then be the sum of I_CCand I_PP.

AT27C040

0189H–EPROM–12/07

1 2 345 6 7...14

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