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