µ
PD4992
ABSOLUTE MAXIMUM RATINGS
(V
SS
= 0 V)
Item
Supply voltage
Input voltage range
Output pin withstand voltage
Low level output current
(N ch Open Drain)
Operating temperature range
Storage temperature range
Symbol
V
DD
V
IN
V
OUT
I
OUT
T
opt
T
stg
Ratings
–0.3 to 7.0
–0.3 to V
DD
+ 0.3
7.0
30
–40 to +85
–65 to +125
Unit
V
V
V
mA
°C
°C
ELECTRICAL CHARACTERISTICS
(V
SS
= 0 V, f = 32.768 kHz, C
G
= C
D
= 20 pF, C
i
= 20k ohms, T
a
= –40 to +85
°C)
Item
Operating voltage range
High level input voltage
Low level input voltage
Supply current
Supply current
Input leakage current
High level output voltage
Low level output voltage
Low level output voltage
High level leakage current
Symbol
V
DD
V
IH
V
IL
I
DD
I
DD
I
LI
V
OH
V
OL1
V
OL2
I
LOH
V
DD
= 5.5 V, V
IN
= V
SS
V
DD
= 2.4 V, V
IN
= V
SS
V
DD
= 5.5 V, V
IN
= V
DD
or V
SS
I
OH
= –1.0 mA
I
OL
= 2.0 mA
I
OL
= 1.0 mA (N ch Open Drain)
TP
out
= V
DD
(N ch Open Drain)
4
×
10
–5
2.4
Condition
MIN.
2.4
0.7 V
DD
V
SS
2
0.6
±1 ×
10
–5
4.3
0.1
0.4
0.4
1.0
TYP.*
MAX.
5.5
V
DD
0.3 V
DD
6
2
±1.0
Unit
V
V
V
µ
A
µ
A
µ
A
V
V
V
µ
A
*: Ta = +25
°C
SWITCHING CHARACTERISTICS
WRITE CYCLE
(unless otherwise specified V
DD
= 5 V
±
10 %, T
a
= –40 to +85
°C)
Item
Cycle time
CS-WR reset time
Address - WR reset time
Address - WR set up time
Write pulse width
Address hold time
Input data set up time
Input data hold time
WR - output floating time
Symbol
t
WC
t
CW
t
AW
t
AS
t
WP
t
WR
t
DW
t
DH
t
WHZ
Condition
MIN.
150
120
120
0
90
20
50
0
50
ns
TYP.
MAX.
Unit
3
NEC [ NEC ]
