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Hardware store cycle, Write latch not set write latch set – Cypress CY14B101P User Manual

Page 28

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PRELIMINARY

CY14B101P

Document #: 001-44109 Rev. *B

Page 28 of 32

Hardware STORE Cycle

Parameter

Description

CY14B101P

Unit

Min

Max

t

DHSB

HSB To Output Active Time when write latch not set

25

ns

t

PHSB

Hardware STORE Pulse Width

15

ns

Figure 30. Hardware STORE Cycle

[9]

~ ~

~ ~

HSB (IN)

HSB (OUT)

SO

RWI

HSB (IN)

HSB (OUT)

RWI

tHHHD

tSTORE

tPHSB

tDELAY

tLZHSB

tDELAY

tDHSB

tDHSB

tPHSB

HSB pin is driven high to VCC only by Internal

100K: resistor, HSB driver is disabled

SRAM is disabled as long as HSB (IN) is driven LOW.

Write Latch not set

Write Latch set

~ ~

~ ~

~ ~

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