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DS28DG02 Datasheet(PDF) 3 Page - Dallas Semiconductor

No. de Pieza. DS28DG02
Descripción  2kb SPI EEPROM with PIO, RTC, Reset, Battery Monitor, and Watchdog
Descarga  33 Pages
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Fabricante  DALLAS [Dallas Semiconductor]
Página de inicio  http://www.dalsemi.com
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DS28DG02 Datasheet(HTML) 3 Page - Dallas Semiconductor

 
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DS28DG02: 2kb SPI EEPROM with PIO, RTC, Reset, Battery Monitor, and Watchdog
3 of 33
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOW-Level Input Voltage
VIL
0.8
V
HIGH-Level Input Voltage
VIH
0.7 ×
VCC
VCC +
0.5V
V
Low-current mode
(Note 9)
1
Output Transition Time
tOT
High-current mode
(Note 10)
25
µs
Power-On Setting Time
tPOS
High-current mode
(Note 11)
25
µs
PIO Read Setup Time
tPS
(Note 5)
100
ns
PIO Read Hold Time
tPH
(Note 5)
100
ns
Leakage Current
IL
High impedance, at
VCCMAX
-1
+1
µA
RSTZ PIN (Note 12) (See Figures 6, 7)
LOW-Level Output Voltage
VOL
At 4mA sink current
0.3
V
LOW-Level Input Voltage
VIL
0.3 ×
VCC
V
Input Leakage Current
IL
-1
+1
µA
Minimum VCC for Valid RSTZ
VPOR
(Notes 5, 13)
2.13
V
RSTZ Pulse Duration
tRST
176
328
532
ms
Manual Reset Pulse Width
tMPW
1
µs
Manual Reset Release
Threshold
VTRMS
(Note 14)
VIL
V
Manual Reset Debounce Time
tDEB
tRST
ms
RSTZ Delay
tDEL
VCC falling below VTRIP
(Note 15)
90
µs
ALMZ, WDOZ PINS
LOW-Level Output Voltage
VOL
At 4mA sink current
0.3
V
WDI PIN
LOW-Level Input Voltage
VIL
0.3 ×
VCC
V
HIGH-Level Input Voltage
VIH
0.7 ×
VCC
VCC +
0.5V
V
Input Leakage Current
IL
-1
+1
µA
Minimum Input Pulse Width
tMPW
1
µs
Watchdog Timeout
tWD
User programmable
0.88
0.44
0.22
0.11
1.64
0.82
0.41
0.20
2.66
1.33
0.67
0.33
s
WPZ, SI, SCK, CSZ PINS
LOW-Level Input Voltage
VIL
0.3 ×
VCC
V
HIGH-Level Input Voltage
VIH
0.7 ×
VCC
VCC +
0.5V
V
Input Leakage Current
IL
-1
+1
µA
SO PIN
LOW-Level Output Voltage
VOL
At 1mA sink current and
VCCmin
0.2
V
HIGH-Level Output Voltage
VOH
At 1mA source current
0.7 ×
VCC
V
Output Leakage Current
IL
High impedance, at
VCCmax
-1
+1
µA


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