GMS90C31Q24 View Datasheet(PDF) - Hynix Semiconductor

Part Name

Description

MFG CO.

GMS90C31Q24

8-BIT SINGLE-CHIP MICROCONTROLLERS

Hynix Semiconductor 

OTP ROM Verification Characteristics

ROM Verification Mode 1

GMS90 Series

Parameter

Address to valid data

ENABLE to valid data

Data float after ENABLE

Oscillator frequency

Symbol

tAVQV

tCLCL

tEHQZ

1/tCLCL

Limit Values

Min.

Max.

-

48tCLCL

-

48tCLCL

0

48tCLCL

4

6

Unit

ns

MHz

P1.0-P1.7

P2.0-P2.4

PORT 0

P2.7

ENABLE

Address

tAVQV

Data Out

tELQV

tEHQZ

Address: P1.0-P1.7 = A0-A7

P2.0-P2.5 = A8-A13

P3.4 = A14

Data: P0.0-P0.7 = D0-D7

Input: P2.6-P2.7, PSEN = VSS

ALE = VIH

EA, RESET = VIH2

Figure 11. OTP ROM Verification Mode 1

46

Oct. 2000 Ver 3.1a

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