參數(shù)資料
型號: DS1244YP-70
廠商: Maxim Integrated Products
文件頁數(shù): 20/20頁
文件大?。?/td> 0K
描述: IC NVSRAM 256KBIT 70NS 34PCM
標(biāo)準(zhǔn)包裝: 40
類型: Phantom 計時芯片
特點(diǎn): 閏年,NVSRAM
存儲容量: 32KB
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: 4.5 V ~ 5.5 V
電壓 - 電源,電池: 3V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 34-PowerCap? 模塊
供應(yīng)商設(shè)備封裝: 34-PowerCap 模塊
包裝: 管件
DS1244/DS1244P
9 of 20
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 …………………………………………………………………………-55C to +125C
Lead Temperature (soldering, 10 seconds) ……………………………………………………… +260C
Note: EDIP is wave or hand-soldered only.
Soldering Temperature (reflow, PowerCap) …………………………………………………… +260C
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
Commercial
0°C to +70°C
3.3V ±10% or 5V ±10%
Industrial
-40°C to +85°C
3.3V ±10% or 5V ±10%
RECOMMENDED OPERATING CONDITIONS
Over the operating range
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Input Logic 1
VCC = 5V ±10%
VIH
2.2
VCC + 0.3
V
11
VCC = 3.3V ±10%
2.0
VCC + 0.3
Input Logic 0
VCC = 5V ±15%
VIL
-0.3
0.8
V
11
VCC = 3.3V ±10%
-0.3
0.6
DC ELECTRICAL CHARACTERISTICS
Over the operating range (5V)
0B
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
7B
V
11
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