M95320 datasheet(30/44 Pages) STMICROELECTRONICS

30 / 44 page

DC and AC parameters

M95320, M95640, M95320-x, M95640-x

30/44

Table 18.

AC characteristics (M95320 and M95640, device grade 6)

Test conditions specified in Table 11 and Table 8

Symbol

Alt.

Parameter

Min.

Max.

Unit

fSCK

Clock Frequency

D.C.

MHz

tSLCH

tCSS1

S Active Setup Time

tSHCH

tCSS2

S Not Active Setup Time

tSHSL

tCS

S Deselect Time

tCHSH

tCSH

S Active Hold Time

tCHSL

S Not Active Hold Time

tCH

(1)

tCH + tCL must never be lower than the shortest possible clock period, 1/fC(max).

tCLH

Clock High Time

tCL

(1)

tCLL

Clock Low Time

tCLCH

(2)

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

tRC

Clock Rise Time

µs

tCHCL

(2)

tFC

Clock Fall Time

µs

tDVCH

tDSU

Data In Setup Time

tCHDX

tDH

Data In Hold Time

tHHCH

Clock Low Hold Time after HOLD not Active

tHLCH

Clock Low Hold Time after HOLD Active

tCLHL

Clock Low Set-up Time before HOLD Active

tCLHH

Clock Low Set-up Time before HOLD not Active

tSHQZ

(2)

tDIS

Output Disable Time

tCLQV

Clock Low to Output Valid

tCLQX

tHO

Output Hold Time

tQLQH

(2)

tRO

Output Rise Time

tQHQL

(2)

tFO

Output Fall Time

tHHQV

tLZ

HOLD High to Output Valid

tHLQZ

(2)

tHZ

HOLD Low to Output High-Z

tWC

Write Time

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