P10C68/P11C68

8

5.0V

3.3V

AUTO RECALL

STORE INHIBIT

t

Figure 8. Automatic RECALL and STORE inhibit.

NON-VOLATILE MEMORY OPERATION OF P10C68

MODE SELECTION

W

X

H

L

H

L

L

H

E

H

L

L

L

L

L

L

G

X

L

X

L

H

L

H

NE

X

H

H

L

L

L

X

Power

Standby

Active

Active

Active

Active

Mode

Not selected

Read RAM

Write RAM

Non-volatile recall (Note 15)

Non-volatile store

No operation

NOTE

15.

time at which Vcc exceeds 3.3V. Vcc must not drop below 3.3V once it has exceeded it for the RECALL to function

properly.

Standard

Alternative

Parameter

Store cycle time

Output disable set-up to NE (bar) fall

Non-volatile set-up to write low

Write low to NE (bar) rise

Chip enable SET-UP

Symbol

Notes

17

18

Units

ms

ns

ns

ns

ns

Min.

0

0

45

0

Max.

10

Min.

0

0

45

0

Max.

10

STORE CYCLE 1 : W (BAR) CONTROLLED

(See note 16)

P10C68-35

P10C68-45