APPENDIX
7540 Group User’s Manual
3-5
3.1 Electrical characteristics
(3) Electrical Characteristics (General purpose)
Table 3.1.4
Electrical characteristics (1)
V
CC
= 2.2 to 5.5 V, V
SS
= 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Min.
Typ.
Max.
Symbol
Parameter
Limits
Unit
I
OH
= –5 mA
V
CC
= 4.0 to 5.5 V
I
OH
= –1.0 mA
V
CC
= 2.2 to 5.5 V
I
OL
= 5 mA
V
CC
= 4.0 to 5.5 V
I
OL
= 1.5 mA
V
CC
= 4.0 to 5.5 V
I
OL
= 1.0 mA
V
CC
= 2.2 to 5.5 V
I
OL
= 15 mA
V
CC
= 4.0 to 5.5 V
I
OL
= 1.5 mA
V
CC
= 4.0 to 5.5 V
I
OL
= 10 mA
V
CC
= 2.2 to 5.5 V
V
I
= V
CC
(Pin floating. Pull up
transistors “off”)
V
I
= V
CC
V
I
= V
CC
V
I
= V
SS
(Pin floating. Pull up
transistors “off”)
V
I
= V
SS
V
I
= V
SS
V
I
= V
SS
(Pull up transistors “on”)
When clock stopped
V
CC
= 5.0 V, Ta = 25 °C
V
CC
= 5.0 V, Ta = 25 °C
Test conditions
V
CC
–1.5
V
CC
–1.0
2.0
1000
62.5
“H” output voltage
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
, P3
0
–P3
7
(Note 1)
“L” output voltage
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
, P3
7
“L” output voltage
P3
0
–P3
6
Hysteresis
CNTR
0
, CNTR
1
, INT
0
, INT
1
(Note 2)
P0
0
–P0
7
(Note 3)
Hysteresis
R
X
D, S
CLK1
, S
CLK2
, S
DATA2
(Note 2)
Hysteresis
RESET
“H” input current
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
, P3
0
–P3
7
“H” input current
RESET
“H” input current
X
IN
“L” input current
P0
0
–P0
7
, P1
0
–P1
4
, P2
0
–P2
7
, P3
0
–P3
7
“L” input current
RESET, CNV
SS
“L” input current
X
IN
“L” input current
P0
0
–P0
7
, P3
0
–P3
7
RAM hold voltage
Ring oscillator oscillation frequency
Oscillation stop detection circuit detection frequency
1.5
0.3
1.0
2.0
0.3
1.0
5.0
5.0
–5.0
–5.0
–0.5
5.5
3000
187.5
V
V
V
V
V
V
V
V
V
V
V
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
mA
V
kHz
kHz
V
OH
V
OL
V
OL
V
T+
–V
T–
V
T+
–V
T–
V
T+
–V
T–
I
IH
I
IH
I
IH
I
IL
I
IL
I
IL
I
IL
V
RAM
R
OSC
D
OSC
0.4
0.5
0.5
4.0
–4.0
–0.2
2000
125
Notes 1:
P1
1
is measured when the P1
1
/T
X
D
1
P-channel output disable bit of the UART control register (bit 4 of address 001B
16
) is “0”.
2:
R
X
D
1
, S
CLK1
, S
CLK2
, S
DATA2
, INT
0
, and INT
1
have hysteresises only when bits 0 to 2 of the port P1P3 control register are set to “0” (CMOS level).
3:
It is available only when operating key-on wake up.