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2
AC characteristics
SK
CS
DI
DO
READ
Dummy SK
SK
1
2
CS
DI
"0"
"1"
"1"
"1"
DO
WRITE
Dummy SK
SK
1
2
CS
Writing Instruction, Address, Writing Data Input
DI
"0"
"1" "0"
DO
Rev.1.01 Oct 28, .2008
REJ10J1351-0101
Clock pulse width
1 μsec
or more
1 μsec or more
CS setup
400 nsec or more
Setup
200 nsec or more
Hi-Z
Figure 2.3.7 EEPROM-AC Timing
3
4
5
6
7
8
9
10
11 12 13 14
Setting Address
"x" A
A
A
A
A
A
A
A
"0"
7
6
3
2
8
5
4
1
Hi-Z
3
4
5
6
7
8
9
10
11 12 13 14
A8
A7
A6
A5
A4
A3
A2
A1
"1"
"x"
Hi-Z
Figure 2.3.8 EEPROM-Read/Write Timing
Writing
Enabled Data
Hold
200 nsec or more
Within
Within 800 nsec
800 nsec
Output delay time
Output Enabled Data
15 16
27 28 29 30 31 32
A
"x"
0
"0"
D15 D14 D13
D2
D1
D0 D15 D14 D13
(Setting Address)Data0
(Setting Address)Data0
(Setting Address+1)Data1 (Setting Address+2)Data2
15 16
27 28 29 30 31 32
A0
D15 D14 D13
D2
D1
D0
Start writing
Features and Specifications
2.3.4 External EEPROM
0 sec or more
Deselect
200 nsec or more
Hi-Z
Output disabled time
Within 500 nsec
43
44 45 46 47 48
Hi-Z
D2
D1
D0 D15 D14 D13
Verify
Standby
Hi-Z
"0"
"1"
End of writing
2-12
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