M69AW024BE datasheet(20/25 Pages) STMICROELECTRONICS

20 / 25 page

M69AW024BE

20/25

Table 9. Standby, Power-Down and Power-Up AC Parameters

Note: 1. Applicable both to Power-Down and Power-Up.

2. Some data might be written into any address location if tEHWL (min) is not satisfied.

3. The Input Transition Time used in AC measurements is 5ns.

4. TBD = to be defined.

Figure 16. Power-up Mode AC Waveforms - 1

Note: tEHCH2 is defined from VCC reaching VCC(min).

Figure 17. Power-up Mode AC Waveforms - 2

Note: tCHEL is defined from VCC reaching VCC(min) and applicable both for E1 and E2 signals.

Symbol

Alt.

Parameter

M69AW024BE

Unit

–60

Min

Max

tCLEL

tCSP

E2 Low Setup Time for Power Down Entry

tELCH

tC2LP

E2 Low Hold Time after Power Down Entry

tCHEL

(1)

tCHH

E1 High Hold Time following E2 High after Power-Down Exit

E1 High Hold Time following E2 High after Power-Up

300

µs

tEHCH

tCHS

E1 High Setup Time following E2 High after Power-Down Exit

tEHGH

tCHOX

E1 High to G Invalid Time for Standby Entry

tEHWH

(2)

tCHWX

E1 High to W Invalid Time for Standby Entry

tτ

(3)

tτ

Input Transition Time

tEHCH2

tC2LH

Power-Up Time

µs

AI07740b

VCC

VCC min

tCHEL

tEHCH2

tEHCH

AI09945

VDD

tEHEL

VDDmin

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