
F LASH ME MOR Y VE R SION
7751 Group User’s Manual
19–31
19.2 Serial input/output mode
19.2.3 Electrical characteristics
DC electrical characteristics (Ta = 25 °C, V
CC
= 5 V±10%, V
PP
= 12 V±5%, unless otherwise noted)
Limits
Typ.
Min.
Max.
Unit
Symbol
Parameter
Test conditions
Vcc = 5.5 V, t
WR
= 320 ns,
I
out
= 0 mA
I
CC1
I
CC2
I
CC3
I
PP1
I
PP2
I
PP3
V
PP
H
Note:
V
IH
/V
IL
, V
OH
/V
OL
, and I
IH
/I
IL
for the control signal input, BUSY output, SDA I/O, and SCLK input pins
conform to standards for microcomputer modes.
Vcc supply current (at read)
Vcc supply current (at program)
Vcc supply current (at erase)
V
PP
supply current (at read)
V
PP
supply current (at program)
V
PP
supply current (at erase)
V
PP
supply voltage (at serial I/O mode)
30
30
30
100
30
30
12.6
mA
mA
mA
μA
mA
mA
V
12.0
11.4
AC electrical characteristics
(Ta = 25 °C, V
CC
= 5 V±10%, V
PP
= 12 V±5%, f(X
IN
) = 40 MHz, unless otherwise noted)
Parameter
ns
ns
ns
ns
μs
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Limits
Unit
Max.
Symbol
Serial transmission interval time
Read waiting time after transmission
Read pulse width
Transfer waiting time after read
Waiting time before program verify
Programming time
Transfer waiting time after programming
Transfer waiting time after erase
SCLK input cycle time
SCLK “H” pulse width
SCLK “L” pulse width
SCLK rise time
SCLK fall time
SDA output delay time
SDA output hold time
SDA output hold time (only the 8th bit)
SDA input setup time
SDA input hold time
Notes 1:
When f(X
IN
) = 25 MHz or less, calculate the minimum value as the following formula 1.
Formula 1 :
f(X
IN
)
t
CH
t
CR
t
WR
t
RC
t
CRPV
t
WP
t
PC
t
EC
t
C(CK)
t
W(CKH)
t
W(CKL)
t
r(CK)
t
f(CK)
t
d(C-Q)
t
h(C-Q)
t
h(C-E)
t
su(D-C)
t
h(C-D)
Min.
400
(Note 1)
400
(Note 1)
320
(Note 2)
400
(Note 1)
400
(Note 1)
400
(Note 1)
250
100
100
120
(Note 3)
10
90
6
20
20
0
0
30
90
2:
When f(X
IN
) = 25 MHz or less, calculate the minimum value as the following formula 2.
1
8
f(X
IN
)
3:
When f(X
IN
) = 25 MHz or less, calculate the minimum value as the following formula 3.
1
3
f(X
IN
)
4:
When f(X
IN
) = 25 MHz or less, calculate the maximum value as the following formula 4.
1
5
f(X
IN
)
Formula 2 :
Formula 4 :
Formula 3 :
1
10
10
9
10
9
10
9
10
9
200
(Note 4)