Rainbow-electronics DS1251Y Instrukcja Użytkownika Strona 9

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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
510mA
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
V11
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
57mA
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
V11
CAPACITANCE (T
A
= +25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
510pF
Input/Output Capacitance C
I/O
510pF
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