rtc-4553ac Epson Electronics America, Inc., rtc-4553ac Datasheet - Page 7

• Manufacturer Part Number: rtc-4553ac
• Description: Real Time Clock Module
• Manufacturer: Epson Electronics America, Inc.

RTC – 4553AC
7. Electrical characteristics
7.1. DC, AC Characteristics
7.1.1. V
(1) DC Characteristics
(2) AC Characteristics
S
S
S
Time lag between CS0 , CS1 enable
and S
Time lag between CS0 disable and
S
Time lag between CS1 enable and
Time lag between CS1 disable and
SCK frequency
SCK "L" time
SCK "H" time
SCK pause time
CS0 setup time
CS0 hold time
WR setup time
WR hold time
TP
TP
IN
IN
OUT
OUT
Output voltage
Data retention
consumption
Input voltage
Input current
startup time
Output leak
data setup time
data hold time
OUT
OUT
Oscillation
Current
voltage
current
delay time
high Z
OUT
DD
Item
output
high Z
= 5 V
output
Item
(normal operation)
operation)
(backup
Symbol
I
I
I
V
V
I
V
DD
DD
OZH
V
OZL
V
Ts
I
I
DH
OH
IH
OL
IL
IH
IL
1
2
Symbol
t
t
t
t
t
t
WCKH
t
t
WCKL
t
t
t
f
DSZ
DSZ
DPZ
DPZ
SWR
HWR
t
SCS
HCS
t
t
DS
CLK
SD
HD
PS
0
1
2
1
2
CS0 = L, CS1 = H
CS0 = H, CS1 = L
SCK = 500 kHz
I
OH
V
I
SCK = 0 Hz
Ta = +25 °C
OL
V
V
OUT
Condition
V
OUT
IN
=
IN
= 1.6 mA
= 5.5 V
—
—
—
Page - 4
= 5.5 V
= 0 V
400 A
= 0 V
CL=100 pF
CL=100 pF
CL=100 pF
CL=100 pF
CL=100 pF
Condition
—
—
—
—
—
—
—
—
—
—
4/5 V
V
Min.
Min.
2.0
DD
0.4
1.0
1.0
1.0
0.5
0.2
0.2
1.0
0.5
—
—
—
—
—
—
—
—
—
—
—
2.0
2.0
2.0
2.0
0
DD
V
V
DD
DD
( GND=0 V , Ta = 30 C
( GND=0 V , Ta = 30 C
= 5 V ± 10 %
= 5 V ± 10 %
Typ.
Typ.
150
1.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1/5 V
Max.
Max.
100
500
500
100
100
100
100
5.5
3.0
0.4
2.0
2.0
2.0
2.0
3.0
—
—
—
—
—
—
—
—
—
—
—
MQ - 342 - 01
DD
+70 C )
+70 C )
Unit
Unit
kHz
ns
V
V
V
s
A
A
A
s