msm62x42b Oki Semiconductor, msm62x42b Datasheet - Page 7

• Manufacturer Part Number: msm62x42b
• Description: Real Time Clock Ic With Built-in Crystal
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Switching Characteristics
WRITE mode (ALE = V
CS
CS
Address Stable Before WRITE
Address Stable After WRITE
WRITE Pulse Width
Data Set up Time
Data Hold Time
RD/WR Recovery Time
1
1
Set up Time
Hold Time
(INPUT)
Parameter
D
A
CS
CS
WR
0
0
~A
~D
1
0
3
3
DD
V
IH2
)
t
V
V
C1S
IH1
IL1
Symbol
t
Aw
t
t
t
t
t
t
t
t
C1S
C1H
AW
WA
WW
DS
DH
RCV
V
IH1
V
V
IH1
IL1
V
= 0.8V
= 2.2V
IL1
Conditions
t
ww
V
V
—
—
—
—
—
—
—
—
IH1
IL1
t
V
DS
IL1
V
V
V
V
IH1
IH2
(V
IL1
IL2
=
=
DD
V
4/5 V
1/5 V
t
IH1
DH
= 5V ± 10%, Ta = –40 to +85°C)
t
wA
1000
1000
Min.
DD
DD
120
100
20
10
10
60
t
RCV
V
V
IH1
IL1
t
V
C1H
IH2
Max.
—
—
—
—
—
—
—
—
V
IH1
MSM62X42B
Unit
ns
47