DS1251 Ver la hoja de datos (PDF) - Unspecified
Número de pieza
componentes Descripción
Fabricante
DS1251 Datasheet PDF : 18 Pages
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DS1251/DS1251P
4096K NV SRAM with Phantom Clock
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Input Leakage Current
I/O Leakage Current
≥ VIH ≤ Vcc
Output Current @2.4V
Output Current @0.4V
Standby Current =2.2V
Standby Current =Vcc –0.5V
Operating Current tCYC=70ns
Write Protection Voltage
Battery Switchover Voltage
Over the operating range (5V)
SYMBOL
MIN
IIL
-1.0
IIO
-1.0
IOH
IOL
ICCS1
ICCS2
ICC01
VPF
VSO
-1.0
2.0
4.25
TYP
5
3.0
4.37
VBAT
MAX
+1.0
+1.0
UNITS
µA
µA
NOTES
12
mA
mA
10
mA
5.0
mA
85
mA
4.50
V
11
V
11
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Input Leakage Current
I/O Leakage Current
≥ VIH ≤Vcc
Output Current @2.4V
Output Current @2.4V
Standby Current
=2.2V
Standby Current =Vcc –0.5V
Operating Current tCYC =70ns
Write Protection Voltage
Battery Switchover Voltage
SYMBOL
IIL
IIO
IOH
IOL
ICCS1
ICCS2
ICC01
VPF
VSO
MIN
-1.0
-1.0
-1.0
2.0
2.80
Over the operating range (3.3V)
TYP
MAX
UNITS
NOTES
+1.0
µA
12
+1.0
µA
mA
mA
5
7
mA
2.0
3.0
mA
50
mA
2.97
V
11
VBAT or VPF
V
11
CAPACITANCE
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
MIN
CIN
CI/O
TYP
5
5
MAX
10
10
UNITS
pF
pF
(TA=+25℃)
NOTES
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