W541E260 datasheet(8/11 Pages) WINBOND

Part #	W541E260

Description	4-BIT FLASH EPROM MICROCONTROLLER

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Manufacturer	WINBOND [Winbond]

Direct Link	http://www.winbond.com

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W541E260

- 8 -

DC Characteristics, continued

PARAMETER

SYM.

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Input High Voltage

VIH

-

0.7

VDD

-

VDD

V

MFP Output Low Voltage

VML

IOL = 3.5 mA

-

0.4

V

MFP Output High Voltage

VMH

IOH = 3.5 mA

2.4

-

V

Port RA, RB Output Low

Voltage

VABL

IOL = 2.0 mA

-

0.4

V

Port RA, RB Output high

Voltage

VABH

IOH = 2.0 mA

2.4

-

V

LCD Supply Current

ILCD

All Seg. ON

-

6

µA

SEG0-SEG31 Sink

Current

(Used as LCD output)

IOL1

VOL = 0.4V

VLCD = 0.0V

0.4

-

µA

SEG0-SEG31 Drive

Current

(Used as LCD output)

IOH1

VOH = 2.4V

VLCD = 3.0V

0.3

-

µA

Segment output low

voltage

(Used as DC output)

VSL

IOL = 0.6 mA

-

0.4

V

Segment output high

voltage

(Used as DC output)

VSH

IOH = 3

µA

2.4

-

V

Port RE Sink Current

IEL

VOL = 0.9V

9

-

mA

Port RE Source Current

IEH

VOH = 2.4V

0.4

1.2

-

mA

Input Port Pull-up

Resistor

RCD

Port RC, RD

100

300

500

K

Ω

INT

Pull-up Resistor

RINT

-

50

150

500

K

Ω

RES Pull-up Resistor

RRES

-

50

150

500

K

Ω

VPP Pull-down Resistor

RVPP

VDD = 5V

500

1000

1500

K

Ω

MODE Pull-down Resistor

RMODE

VDD = 5V

500

1000

1500

K

Ω

DATA Pull-down Resistor

RDATA

VDD = 5V

20

65

150

K

Ω

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