参数资料
型号: DS28DG02E-3C+T
厂商: Maxim Integrated
文件页数: 2/34页
文件大小: 0K
描述: IC EEPROM 2KBIT 2MHZ 28TSSOP
标准包装: 2,500
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 2K (256 x 8)
速度: 2MHz
接口: SPI 3 线串行
电源电压: 2.2 V ~ 5.25 V
工作温度: -40°C ~ 85°C
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
DS28DG02: 2Kb SPI EEPROM with PIO, RTC, Reset, Battery Monitor, and Watchdog
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
Maximum Current SO, ALMZ, RSTZ, WDOZ Pins
Maximum Current Each PIO Pin
Maximum GND and V CC Current
Operating Temperature Range
Junction Temperature
Storage Temperature Range
Soldering Temperature
-0.5V, +6V
? 20mA
? 50mA
270mA
-40°C to +85°C
+150°C
-55°C to +125°C
See IPC/JEDEC J-STD-020
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.
ELECTRICAL CHARACTERISTICS
(T A = -40°C to +85°C.)
PARAMETER
Supply Voltage
Battery Voltage
Battery Current (V BAT = 3.0V,
Note 1)
SYMBOL
V CC
V BAT
I BAT
CONDITIONS
Battery monitor off
Battery monitor enabled
(Note 1)
RTC oscillator off
RTC oscillator on
RTC oscillator on, +25°C
MIN
2.2
2.7
1.5
TYP
3.0
0.4
MAX
5.25
5.25
V CC
2
10
4.7
UNITS
V
V
μA
SPI idle, ALMZ, WDOZ,
Standby Current (Note 2)
I CCS
RTSZ high, V CC = 5.25V,
RTC oscillator on, all
60
100
μA
PIOs grounded
Reading EEPROM at 2
Mbps, ALMZ, WDOZ,
Operating Current
I CCA
RTSZ high, V CC = 5.25V,
RTC oscillator on, all
550
800
μA
PIOs grounded
Programming Current
I PROG
V CC = 5.25V
600
1000
μA
V CC Monitor Trip Point
V CC Monitor Trip-Point
Tolerance
V CC Monitor Hysteresis
V TRIP
V TRIPTOL
V HYST
(Note 3)
+25°C
-40°C to +85°C
2.97
-1.5
-2.5
0.4
3.05
0.5
3.14
+1.5
+2.5
0.6
V
%V TRIP
%V TRIP
Power-Up Wait Time
t POIP
60
μs
EEPROM
Programming Time
t PROG
10
ms
Endurance
Data Retention
N CYCLE
t RET
At +25°C (Notes 4, 5)
At +85°C (Notes 5, 6)
200k
40
years
REAL-TIME CLOCK
Frequency Deviation
? F
(Notes 5, 7)
-46
+46
PPM
PIO PINS (See Figures 21, 22, 23)
LOW-Level Output Current at
V OL = 0.5V (Note 8)
HIGH-Level Output Current
(Note 8)
I OL
I OH
V CC = 2.2V
V CC = 3.3V
V CC = 5.25V
V OH = 2.4V, V CC = 3.3V
V OH = 4.5V, V CC = 5.25V
6
12.5
19
6.5
12.5
9.5
22.0
30
11.0
18.0
mA
mA
2 of 34
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