µ
PD4991A
ABSOLUTE MAXIMUM RATINGS (V
SS
= 0 V)
PARAMETER
Supply Voltage
Input Voltage Range
Output Pin Breakdown Voltage
Low-Level Output Current
(N-ch open-drain)
Operating Ambient Temperature
Storage Temperature
SYMBOL
V
PP
V
IN
V
OUT
I
OUT
T
opt
T
stg
RATINGS
–0.3 ~ 7.0
–0.3 ~ V
PP
+ 0.3
7.0
30
–40 ~ +85
–65 ~ +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
= 20 kΩ, T
a
= –40 to +85
°
C)
PARAMETER
Operating Voltage Range
High-level Input Voltage
Low-level Input Voltage
Current Consumption *
Current Consumption *
Current Consumption *
High-Level Input Leakage Current
Low-Level Input Leakage Current
High-Level Output Voltage
Low-Level Output Voltage
Low-Level Output Voltage
High-Level Leakage Current
SYMBOL MIN.
V
DD
V
IH
V
IL
I
DD
I
DD
I
DD
I
LIH
I
LIL
V
OH
V
OL1
V
OL2
I
LOH
2.4
0.4
0.4
1.0
2
2.0
0.7 V
DD
V
SS
5
TYP.
MAX.
5.5
V
DD
0.3 V
DD
14
10
6
+1.0
–1.0
UNIT
V
V
V
CONDITIONS
µ
A
µ
A
µ
A
µ
A
µ
A
V
V
V
V
DD
= 3.6 V, V
IN
= V
SS
, T
a
= –40 ~ +70
°C
V
DD
= 3.0 V, V
IN
= V
SS
, T
a
= –40 ~ +70
°C
V
DD
= 2.4 V, V
IN
= V
SS
, T
a
= –40 ~ +70
°C
V
DD
= 5.5 V, V
IN
= V
DD
V
DD
= 5.5 V, V
IN
= V
SS
I
OH
= –1.0 mA
I
OL
= 2.0 mA
I
OL
= 1.0 mA (Nch Open Drain)
TP
out
= V
DD
(Nch Open Drain)
µ
A
* If V
IN
pins are not V
SS
, Current Consumption increase in value.
AC CHARACTERISTICS
Write cycle (Unless otherwise specified, V
DD
= 5 V
±
10 %, T
a
= –40 to +85
°
C)
PARAMETER
Cycle Time
CS-WE Reset Time
Address-WE Reset Time
Address-WE Setup Time
Write Pulse Width
Address Hold Time
Input Data Setup Time
Input Data Hold Time
WE-Output Floating Time
SYMBOL MIN.
t
WC
t
CW
t
AW
t
AS
t
WP
t
WR
t
DW
t
DH
t
WHZ
150
120
120
0
90
20
50
0
50
ns
TYP.
MAX.
UNIT
CONDITIONS
5
NEC [ NEC ]
