M93C86 datasheet(26/38 Pages) STMICROELECTRONICS

26 / 38 page

DC and AC parameters

M93C86, M93C76, M93C66, M93C56, M93C46

26/38

tSLQZ

tDF

Chip Select low to output Hi-Z

100

tCHQL

tPD0

Delay to output low

200

tCHQV

tPD1

Delay to output valid

200

tWP

Erase or Write cycle time

Chip Select Input (S) must be brought low for a minimum of tSLSH between consecutive instruction cycles.

tCHCL + tCLCH ≥ 1 / fC.

Table 22.

AC characteristics (M93Cx6-W, device grade 3)

Test conditions specified in Table 13. and Table 10.

Symbol

Alt.

Parameter

Min.

Max.

Unit

fSK

Clock frequency

D.C.

MHz

tSLCH

Chip Select low to Clock high

tSHCH

tCSS

Chip Select set-up time

tSLSH

(1)

Chip Select Input (S) must be brought low for a minimum of tSLSH between consecutive instruction cycles.

tCS

Chip Select low to Chip Select high

200

tCHCL

(2)

tCHCL + tCLCH ≥ 1 / fC.

tSKH

Clock high time

200

tCLCH

(2)

tSKL

Clock low time

200

tDVCH

tDIS

Data in set-up time

tCHDX

tDIH

Data in hold time

tCLSH

tSKS

Clock set-up time (relative to S)

tCLSL

tCSH

Chip Select hold time

tSHQV

tSV

Chip Select to READY/BUSY status

200

tSLQZ

tDF

Chip Select low to output Hi-Z

100

tCHQL

tPD0

Delay to output low

200

tCHQV

tPD1

Delay to output valid

200

tWP

Erase or Write cycle time

Table 21.

AC characteristics (M93Cx6-W, device grade 6)

Test conditions specified in Table 13. and Table 10.

Symbol

Alt.

Parameter

Min.

Max.

Unit

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