5962-92324 데이터 시트보기 (PDF) - Unspecified

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5962-92324

CMOS nvSRAM High Performance 8K x 8 Nonvolatile Static RAM

Unspecified 

STK11C68-M

NONVOLATILE MEMORY OPERATION

MODE SELECTION

E

W

H

X

L

H

L

L

L

H

L

H

A12 - A0(hex)

X

X

X

0000

1555

0AAA

1FFF

10F0

0F0F

0000

1555

0AAA

1FFF

10F0

0F0E

MODE

Not Selected

Read SRAM

Write SRAM

Read SRAM

Read SRAM

Read SRAM

Read SRAM

Read SRAM

Nonvolatile STORE

Read SRAM

Read SRAM

Read SRAM

Read SRAM

Read SRAM

Nonvolatile RECALL

I/O

Output High Z

Output Data

Input Data

Output Data

Output Data

Output Data

Output Data

Output Data

Output High Z

Output Data

Output Data

Output Data

Output Data

Output Data

Output High Z

POWER

Standby

Active

Active

Active

ICC2

Active

NOTES

o

n,o

n,o

n,o

n,o

n,o

n

n,o

n,o

n,o

n,o

n,o

n

Note n: The six consecutive addresses must be in order listed - (0000, 1555, 0AAA, 1FFF, 10F0, 0F0F) for a STORE cycle or (0000, 1555, 0AAA,1FFF, 10F0, 0F0E)

for a RECALL cycle. W must be high during all six consecutive cycles. See STORE cycle and RECALL cycle tables and diagrams for further details.

Note o: I/O state assumes that G ≤ VIL. Initiation and operation of nonvolatile cycles does not depend on the state of G.

STORE CYCLE INHIBIT and AUTOMATIC POWER-UP RECALL

VCC

5.0V

4.0

t

STORE inhibit

Automatic RECALL

4-36

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