MR27V3266D Ver la hoja de datos (PDF) - Oki Electric Industry

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Fabricante

MR27V3266D

2M x16 / 1M x32 Synchronous OTP ROM

Oki Electric Industry 

1 Semiconductor

AC CHARACTERISTICS FOR SYNCHRONOUS READ ( 2/2 )

Parameter

Clock Disable time from CKE

Clock Enable time from CKE

Output High impedance from DQM

Recovery from DQM

Output High impedance from "Burst Stop"

Output High impedance from "Precharge"

"Row Active" input from "Mode Register Set"

Symbol

tCKE

tCKE

tDQM

tDQM

tBOH

tPOH

tMRD

Value

1CLK

1CLK

2CLK

2CLK

CL

CL

3

MR27V3266D

Unit

Cycle

Cycle

Cycle

Cycle

Cycle

Cycle

Cycle

Notes

AC TEST CONDITIONS

Parameter

Input Signal Levels

Timing Reference Level of Input/Output Signals

Transition Time of Input Signals

Output Load

Values

VIH / VIL = 2.4V / 0.4V

1.4V

tr / tf = 1ns / 1ns

LVTTL

Notes

1

2

Note1

Transition time of input signals is measured between 0.8V and 2.0V .

If tr or tf is longer than 1ns, "Timing Reference Level of Input/Output Signals" is changed to VIL or VIH / 0.8V

or 2.0V respectively.

Note2

Output Load

Output

Z0 = 50 ohms

1.4V

50 ohms

50 pF

August , 1999

Revision 2.4

32M Synchronous OTP

15

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