參數(shù)資料
型號(hào): RTC58321
廠商: 愛普生(中國(guó))有限公司
英文描述: Real time clock module(4-bit I/O CONNECTION REAL TIME CLOCK MODULE)
中文描述: 實(shí)時(shí)時(shí)鐘模塊(4位I / O連接實(shí)時(shí)時(shí)鐘模塊)
文件頁數(shù): 7/12頁
文件大?。?/td> 188K
代理商: RTC58321
RTC-58321/58323
Page - 4
4. DC characteristics
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.
Item
Symbol
Conditions
Min.
Max.
Unit
High input voltage
V
IH1
*1
3.6
V
V
IH2
*2
V
DD
- 0.5
V
Low input voltage
V
IL
0.8
V
Low output voltage
V
OL
I
OL
= 1.6mA
0.4
V
Low output current
I
OL
V
OL
= 0.4V
1.6
mA
High input current
I
IH
*3
V
IH
= 5V
10
30
80
μ
A
μ
A
μ
A
Low input current
I
IL
*3
V
IL
= 0V
-1
Input leakage current
I
LIH
V
IH
= 5V
1
Input off-state leakage current
I
LIL
V
IL
= 0V
-1
Input capacity
C
I
f = 1MHz
5
pF
Current consumption
I
OP
V
DD
= 5V
*4
100
500
μ
A
*5
20
40
V
DD
= 3V
*4
15
30
*5
7
20
Oscillation start time *6
t
OSC
V
DD
= 5V
Ta = 25
°
C
1.5
3.0
sec.
*1
*2
*3
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
*4
CS
1
and CS
2
high, BUSY Open-circuit
*5
CS
1
, CS
2
and BUSY Open-circuit
*6
Confirmed by BUSY
5. AC characteristics
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.
Item
Symbol
Conditions
Min.
Unit
Chip select set-up time
t
CS
0
,
μ
S
μ
S
μ
S
μ
S
μ
S
μ
S
μ
S
μ
S
μ
S
μ
S
μ
S
Address set-up time
t
AS
0
Address write pulse width
t
AW
0.5
Address hold time
t
AH
0.1
Data set-up time
t
DS
0
Write pulse width
t
WW
2
Data hold time
t
DH
0
Read inhibit time
t
RI
0
Read access time
t
RA
Read delay time
t
DD
1
Chip select hold time
t
CH
0
,
t
RA
= 1
μ
S
+
C
×
R
×
ln
V
V
V
DD
DD
H
min
C
R
V
H
min
ln
: capacitance of data line
: pull-up resistance
: high voltage level of IC connected to data line
: natural logarithm
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