參數(shù)資料
型號: DS1248WP-120IND
廠商: Maxim Integrated Products
文件頁數(shù): 19/19頁
文件大?。?/td> 0K
描述: IC NVSRAM 1MBIT 120NS 34PCM
標準包裝: 40
類型: Phantom 計時芯片
特點: NVSRAM
存儲容量: 128KB
時間格式: HH:MM:SS:hh(12/24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 2.97 V ~ 3.63 V
電壓 - 電源,電池: 3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 34-PowerCap? 模塊
供應商設備封裝: 34-PowerCap 模塊
包裝: 管件
DS1248/DS1248P 1024K NV SRAM with Phantom Clock
9 of 19
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
(5V product)………………………..-0.3V to +6.0V
(3.3V product)………………… …..-0.3V to +4.6V
Storage Temperature Range
EDIP ..........................................................................................................................-40C to +85C
PowerCap ................................................................................................................-55°C to +125°C
Lead Temperature (soldering, 10s) ................................................................................................... +260°C
Note: EDIP is wave or hand-soldered only.
Soldering Temperature (reflow, PowerCap) ......................................................................................+260°C
This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect
reliability.
OPERATING RANGE
RANGE
TEMP RANGE
(NONCONDENSING)
VCC (V)
Commercial
0°C to +70°C
3.3 ±10% or 5 ±10%
Industrial
-40°C to +85°C
3.3 ±10% or 5 ±10%
RECOMMENDED OPERATING CONDITIONS
Over the Operating Range
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Logic 1
VCC = 5V ±10%
VIH
2.2
VCC + 0.3
V
11
VCC = 3.3V ±10%
2.0
VCC + 0.3
Logic 0
VCC = 5V ±10%
VIL
-0.3
+0.8
V
11
VCC = 3.3V ±10%
-0.3
+0.6
DC ELECTRICAL CHARACTERISTICS
Over the Operating Range (5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage Current
IIL
-1.0
+1.0
A
12
I/O Leakage Current
CE
VIH ≤ VCC
IIO
-1.0
+1.0
A
Output Current at 2.4V
IOH
-1.0
mA
Output Current at 0.4V
IOL
2.0
mA
Standby Current CE = 2.2V
ICCS1
5
10
mA
Standby Current
CE
= VCC - 0.5V
ICCS2
3.0
5.0
mA
Operating Current tCYC = 70ns
ICC01
85
mA
Write Protection Voltage
VPF
4.25
4.37
4.50
V
11
Battery Switchover Voltage
VSO
VBAT
V
11
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