Datasheet > 27C04A-20IL

27C04A-20IL

更新时间： 2022-11-25 12:17:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
8页	63K
描述
4K (512 x 8) CMOS EEPROM

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27C04A-20IL 数据手册

28C04A

TABLE 1-1:

Name

PIN FUNCTION TABLE

Function

1.0

ELECTRICAL CHARACTERISTICS

1.1

MAXIMUM RATINGS*

VCC and input voltages w.r.t. VSS .......-0.6V to + 6.25V

Voltage on OE w.r.t. VSS......................-0.6V to +13.5V

Output Voltage w.r.t. VSS.................-0.6V to VCC+0.6V

Storage temperature .......................... -65˚C to +125˚C

Ambient temp. with power applied ....... -50˚C to +95˚C

A0 - A8

Address Inputs

Chip Enable

Output Enable

Write Enable

I/O0 - I/O7 Data Inputs/Outputs

*Notice: Stresses above those listed under “Maximum Ratings”

may cause permanent damage to the device. This is a stress rat-

ing only and functional operation of the device at those or any

other conditions above those indicated in the operation listings of

this speciﬁcation is not implied. Exposure to maximum rating con-

ditions for extended periods may affect device reliability.

VCC

VSS

+5V Power Supply

Ground

No Connect; No Internal Connection

Not Used; No External Connection is

Allowed

TABLE 1-2:

READ/WRITE OPERATION DC CHARACTERISTICS

VCC = +5V ±10%

Commercial (C): Tamb =

0˚C to +70˚C

Industrial

(I): Tamb = -40˚C to +85˚C

Parameter

Status

Symbol

Min

Max

Units

Conditions

Input Voltages

Logic ‘1’

Logic ‘0’

VIH

VIL

2.0

-0.1

VCC+1

0.8

Input Leakage

ILI

-10

µA

VIN = -0.1V to VCC+1

Input Capacitance

CIN

VIN = 0V; Tamb = 25˚C;

f = 1 MHz

Output Voltages

Logic ‘1’

Logic ‘0’

VOH

VOL

2.4

-10

IOH = -400 µA

IOL = 2.1 mA

0.45

Output Leakage

ILO

µA

VOUT = -0.1V TO VCC + 0.1V

Output Capacitance

COUT

VIN = 0V; TAMB = 25˚C;

f = 1 MHz

Power Supply Current, Active

Power Supply Current, Standby

TTL input

ICC

mA f = 5 MHz (Note 1)

VCC = 5.5V

TTL input

CMOS input ICC(S)CMOS

ICC(S)TTL

100

µA

CE = VIH (0˚C to +70˚C)

CE = VIH (-40˚C to +85˚C)

CE = VCC-0.3 to Vcc+1

Note 1: AC power supply current above 5 MHz; 1 mA/MHz.

DS11126F-page 2

1996 Microchip Technology Inc.

123 4 5 6 7 8

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