8

V436516Y04V Rev. 1.0 October 2001

MOSEL VITELIC

V436516Y04V

Notes:

1.

bank.

2.

3.

All AC characteristics are shown for device level.

An initial pause of 100

µs is required after power-up, then a Precharge All Banks command must be given followed

by 8 Auto Refresh (CBR) cycles before the Mode Register Set Operation can begin.

4.

shown. Specific tac and toh parameters are measured with a 50 pF only, without any resistive termination and with

a input signal of 1V / ns edge rate between 0.8V and 2.0V.

Read Cycle

21

Data Out Hold Time

2.7

–

2.7

–

2.7

–

ns

2

22

Data Out to Low Impedance Time

1

–

1

–

1

–

ns

23

Data Out to High Impedance Time

–

5.4

–

5.4

–

5.4

ns

7

24

DQM Data Out Disable Latency

–

2

–

2

–

2CLK

Write Cycle

25

Write Recovery Time

1

–

1

–

1

–

CLK

26

DQM Write Mask Latency

0

–

0

–

0

–

CLK

AC Characteristics

#

Symbol

Parameter

Limit Values

Unit

Note

-75PC

-75

-10PC

Min.

Max.

Min.

Max.

Min.

Max.

1.4V

1.4V

tSETUP

tHOLD

tAC

tAC

tLZ

tOH

tHZ

CLOCK

INPUT

OUTPUT

50 pF

I/O

Z=50 Ohm

+1.4 V

50 Ohm

2.4V

0.4V

tCL

tCH

I/O

Measurement conditions for

tac and toh

50 pF