GMS90C31 datasheet(38/59 Pages) HYNIX

部品番号	GMS90C31

部品情報	HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

PDF	59 Pages

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メーカー	HYNIX [Hynix Semiconductor]

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GMS90 Series

Oct. 2000 Ver 3.1a

AC Characteristics for GMS90 series (16MHz version)

VCC=3.3V+0.3V, −0.6V; VSS=0V; TA=0°Cto70°C

(CL for port 0. ALE and PSEN outputs = 50pF; CL for all other outputs = 50pF)

External Program Memory Characteristics

† Interfacing the GMS90 series to devices with float times up to 35 ns is permissible. This limited bus contention will not cause

any damage to port 0 Drivers.

Parameter

Symbol

16 MHz Oscillator

Variable Oscillator

1/tCLCL =3.5 to 16MHz

Unit

Min.

Max.

Min.

Max.

ALE pulse width

tLHLL

2tCLCL-40

Address setup to ALE

tAVLL

tCLCL-40

Address hold after ALE

tLLAX

tCLCL-40

ALE low to valid instruction in

tLLIV

-150

4tCLCL-100

ALE to PSEN

tLLPL

tCLCL-25

PSEN pulse width

tPLPH

153

3tCLCL-35

PSEN to valid instruction in

tPLIV

-88

3tCLCL-100

Input instruction hold after PSEN

tPXIX

Input instruction float after PSEN

tPXIZ †

-43

tCLCL-20

Address valid after PSEN

tPXAV †

tCLCL-8

Address to valid instruction in

tAVIV

-198

5tCLCL-115

Address float to PSEN

tAZPL

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