X24C44 Просмотр технического описания (PDF) - Xicor -> Intersil

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Компоненты Описание

производитель

X24C44

256 Bit Serial Nonvolatile Static RAM

Xicor -> Intersil 

X24C44

NONVOLATILE OPERATIONS

Operation

Hardware Recall

Software Recall

Hardware Store

Software Store

STORE

1

1

0

1

RECALL

0

1

1

1

Software

Instruction

NOP(5)

RCL

NOP(5)

STO

Write Enable

Latch State

X

X

SET

SET

Previous

Recall Latch

State

X

X

SET

SET

3832 PGM T10

ARRAY RECALL LIMITS

Symbol

tRCC

tRCP

tRCZ

Parameter

Recall Cycle Time

Recall Pulse Width(6)

Recall to Output in High Z

Min.

2

500

Max.

500

Units

µs

ns

ns

3832 PGM T11

Recall Timing

RECALL

tRCC

tRCP

tRCZ

DO

HIGH Z

3832 FHD F05

Notes: (5) NOP designates when the X24C44 is not currently executing an instruction.

(6) Recall rise time must be <10µs.

10

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