Capacitance (t, 25 ° c) – Rainbow Electronics DS1251Y User Manual
Page 9
DS1251/DS1251P
9 of 22
DC ELECTRICAL CHARACTERISTICS Over the operating range (5V)
PARAMETER
SYMBOL
MIN
TYP
MAX UNITS NOTES
Input Leakage Current
I
IL
-1.0
+1.0
mA
12
I/O Leakage Current
CE
³ V
IH
≤ V
CC
I
IO
-1.0
+1.0
mA
Output Current @ 2.4V
I
OH
-1.0
mA
Output Current @ 0.4V
I
OL
2.0
mA
Standby Current CE = 2.2V
I
CCS1
5
10
mA
Standby Current
CE = V
CC
- 0.5V
I
CCS2
3.0
5.0
mA
Operating Current t
CYC
= 70ns
I
CC01
85
mA
Write Protection Voltage
V
PF
4.25
4.37
4.50
V
11
Battery Switchover Voltage
V
SO
V
BAT
V
11
DC ELECTRICAL CHARACTERISTICS Over the operating range (3.3V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Input Leakage Current
I
IL
-1.0
+1.0
mA
12
I/O Leakage Current
CE
³ V
IH
≤ V
CC
I
IO
-1.0
+1.0
mA
Output Current @ 2.4V
I
OH
-1.0
mA
Output Current @ 0.4V
I
OL
2.0
mA
Standby Current CE = 2.2V
I
CCS1
5
7
mA
Standby Current
CE = V
CC
- 0.5V
I
CCS2
2.0
3.0
mA
Operating Current t
CYC
= 70ns
I
CC01
50
mA
Write Protection Voltage
V
PF
2.80
2.97
V
11
Battery Switchover Voltage
V
SO
V
BAT
or V
PF
V
11
CAPACITANCE (T
A
= +25
°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Input Capacitance
C
IN
5
10
pF
Input/Output Capacitance
C
I/O
5
10
pF