W964B6BBN Datasheet, PDF(26/30 Page) Winbond – 1M WORD X 16BIT LOW POWER PSEUDO SRAM

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

W964B6BBN Datasheet, PDF (26/30 Pages) Winbond – 1M WORD X 16BIT LOW POWER PSEUDO SRAM

◁

W964B6BBN

Timing Waveforms, Continued

Power Down Program Timing

CE1

tEPS

tEP

tEPH

ADDRESS

(A20-16)

tEAS

tEAH

KEY

Note: CE2 must be High for Power Down Program operation.

Any other inputs not specified above can be either High or Low.

Power Down Entry and Exit Timing

CE1

CE2

tCSP

tC2LP

tCHS

tCHH (tCHHN)

High-Z

Power Down Entry

Power Down Mode

Power Down Exit

Note: This Power Down mode can be also used for Power-up #2 below except that tCHHN can not be used at Power-up timing.

Power-up Timing #1

CE1

CE2

tC2LH

tCHS

tCHH

VDD

VDD min

Note: The tC2LH specifies after VDD reaches specified minimum level.

Timing Waveforms, Continued

- 26 -

▷