AT89C5131A-L(2004) データシートの表示（PDF） - Atmel Corporation

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AT89C5131A-L
(Rev.:2004)

8-bit Flash Microcontroller with Full Speed USB Device

Atmel Corporation 

USB DC Parameters

AT89C5131A-L

1 - VBUS

2-D-

3-D+

4 - GND

USB “B”

Receptacle

32

41

R

Rpad

Rpad

VREF

D+

D-

R = 1.5 kΩ

Rpad = 27Ω

Symbol Parameter

Min

Typ

Max

Unit

VREF USB Reference Voltage

3.0

VIH Input High Voltage for D+ and D- (Driven)

2.0

VIHZ Input High Voltage for D+ and D- (Floating)

2.7

VIL Input Low Voltage for D+ and D-

VOH Output High Voltage for D+ and D-

2.8

VOL Output Low Voltage for D+ and D-

0.0

3.6

V

V

3.6

V

0.8

V

3.6

V

0.3

V

17

4338A–USB–08/04

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