UPD720122 datasheet(11/82 Pages) NEC

11 / 82 page

Data Sheet S16685EJ2V0DS

µPD720122

ELECTRICAL SPECIFICATIONS

2.1

Buffer List

• 3.3 V oscillator interface

XIN,XOUT

• 3.3 V input buffer

FM21,SCAN(1:0)

• 5V torelant input buffer

RESETB,CSB,A(7:0),WRB,RDB,ACTIVE,EP1_DACKB,EP1_RDB,EP1_TCB,EP2_DACKB,EP2_WRB,

EP2_TCB,BUNRI,M0,M1,VBUS,ALE

• 5V torelant output buffer

INTB_ALL,INT0B,INT1B,INT2B,M2,EP1_DRQB,EP2_DRQB

• 5V torelant I/O buffer

D(15:0),LD(15:0),AD(7:0),D0,AD(7:1),D(15:8)

• USB interface

DP,DM,RSDP,RSDM,RREF,RPU

2.2

Terminology

Terms Used in Absolute Maximum Ratings

Parameter

Symbol

Meaning

Power supply voltage

VDD

Indicates voltage range within which damage or reduced reliability will not result

when power is applied to a VDD pin.

Input voltage

Indicates voltage range within which damage or reduced reliability will not result

when power is applied to an input pin.

Output voltage

Indicates voltage range within which damage or reduced reliability will not result

when power is applied to an output pin.

Output current

Indicates absolute tolerance value for DC current to prevent damage or reduced

reliability when a current flows out of or into an output pin.

Operating temperature

Indicates the ambient temperature range for normal logic operations.

Storage temperature

Tstg

Indicates the element temperature range within which damage or reduced reliability

will not result while no voltage or current are applied to the device.

UPD720122 Datasheet(PDF) 11 Page - NEC

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