RTC-58321/58323
4. DC characteristics
Item
High input voltage
Symbol
V
IH1
*1
V
IH2
*2
Low input voltage
Low output voltage
Low output current
High input current
Low input current
Input leakage current
Input off-state leakage current
Input capacity
Current consumption
V
IL
V
OL
I
OL
I
IH
*3
I
IL
*3
I
LIH
I
LIL
C
I
I
OP
I
OL
= 1.6mA
V
OL
= 0.4V
V
IH
= 5V
V
IL
= 0V
V
IH
= 5V
V
IL
= 0V
f = 1MHz
V
DD
= 5V
*4
*5
V
DD
= 3V
*4
*5
Oscillation start time *6
t
OSC
V
DD
= 5V
Ta = 25°C
*1
*2
*3
*4
*5
*6
Pins CS
2
, WRITE, READ, ADDRESS WRITE, STOP, TEST and D
0
to D
3
CS
1
Pins CS
1
, CS
2
, WRITE, READ, ADDRESS WRITE, STOP and TEST
CS
1
and CS
2
high, BUSY Open-circuit
CS
1
, CS
2
and BUSY Open-circuit
Confirmed by BUSY
5
100
20
15
7
1.5
500
40
30
20
3.0
sec.
1.6
10
30
80
-1
1
-1
pF
µA
Conditions
Min.
3.6
V
DD
- 0.5
0.8
0.4
RTC-58321 (V
DD
= 5V
±
0.5V, Ta = -10 to 70°C)
RTC-58323 (V
DD
= 5V
±
0.5V, Ta = -30 to 85°C)
Typ.
Max.
Unit
V
V
V
V
mA
µA
µA
µA
5. AC characteristics
Item
Chip select set-up time
Address set-up time
Address write pulse width
Address hold time
Data set-up time
Write pulse width
Data hold time
Read inhibit time
Read access time
Read delay time
Chip select hold time
Q
t
RA
= 1µS
+
C×R×ln
C
R
V
H
min
ln
V
DD
V
DD
−
V
H
min
RTC-58321 (V
DD
= 5V
±
0.5V, Ta = -10 to 70°C)
RTC-58323 (V
DD
= 5V
±
0.5V, Ta = -30 to 85°C)
Symbol
t
CS
t
AS
t
AW
t
AH
t
DS
t
WW
t
DH
t
RI
t
RA
t
DD
t
CH
Conditions
−
−
−
−
−
−
−
−
−
−
−
Min.
0
0
0.5
0.1
0
2
0
0
−
−
0
Typ.
−
−
−
−
−
−
−
−
−
−
−
Max.
−
−
−
−
−
−
−
−
Q
1
−
Unit
µS
µS
µS
µS
µS
µS
µS
µS
µS
µS
µS
: capacitance of data line
: pull-up resistance
: high voltage level of IC connected to data line
: natural logarithm
Page - 4
EPSON [ EPSON COMPANY ]
