M95256-DR, M95256, M95256-W, M95256-R

DC and AC parameters

Doc ID 12276 Rev 11

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Table 20.

AC characteristics (M95256-DR, M95256-R device grade 6)

Symbol

Alt.

Parameter

Min.

Max.

Min.

Max.

Unit

products

(Preliminary

information)

Clock frequency

D.C.

2

D.C.

5

MHz

200

60

ns

200

60

ns

S deselect time

200

90

ns

S active hold time

200

60

ns

S not active hold time

200

60

ns

(3)

Clock high time

200

80

ns

(3)

Clock low time

200

80

ns

(4)

Clock rise time

1

2

µs

(4)

Clock fall time

1

2

µs

Data in setup time

40

20

ns

Data in hold time

50

20

ns

Clock low hold time after HOLD not active

140

60

ns

Clock low hold time after HOLD active

90

60

ns

Clock low setup time before HOLD active

0

0

ns

Clock low setup time before HOLD not active

0

0

ns

(4)

Output disable time

250

80

ns

Clock low to output valid

150

80

ns

Output hold time

0

0

ns

(4)

Output rise time

100

20

ns

(4)

Output fall time

100

20

ns

HOLD high to output valid

100

80

ns

(4)

HOLD low to output High-Z

250

80

ns

Write time

5

5

ms

1.

Current products are identified by process letters “AB”.

2.

New products are identified by process letter K. For these new products, the test flow guarantees the AC parameter values

5.0 V). The M95256-DR is available as only "new product" type.

3.

4.

Value guaranteed by characterization, not 100% tested in production.