參數(shù)資料
型號(hào): DS1557P-70IND
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 2/17頁(yè)
文件大?。?/td> 0K
描述: IC RTC RAM Y2K 5V 70NS 34PCM
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,閏年,NVSRAM,監(jiān)視計(jì)時(shí)器,Y2K
存儲(chǔ)容量: 512KB
時(shí)間格式: HH:MM:SS(24 小時(shí))
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: -40°C ~ 85°C
安裝類(lèi)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
DS1557 4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM
10 of 17
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground………………………………………………………………-0.3V to +6.0V
Storage Temperature Range…………...………………………………………………………….....……..-55°C to +125°C
Lead Temperature (soldering, 10s).....................................................................................................…………+260°C
Soldering Temperature (reflow)………………………………………………………………………………………. +260°C
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
OPERATING RANGE
RANGE
TEMP RANGE
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 DC OPERATING CONDITIONS
(TA = Over the Operating Range)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
VCC = 5V 10%
2.2
VCC +
0.3V
V
Logic 1 Voltage All Inputs
(Note 1)
VIH
VCC = 3.3V 10%
2.0
VCC +
0.3V
V
VIL
VCC = 5V 10%
-0.3
+0.8
Logic 0 Voltage All Inputs
(Note 1)
VIL
VCC = 3.3V 10%
-0.3
+0.6
DC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V ±10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Active Supply Current
ICC
(Notes 2, 3, 11)
45
90
mA
TTL Standby Current
(
CE = V
IH)
ICC1
(Notes 2, 3)
3
6
mA
CMOS Standby Current
(
CE
V
CC - 0.2V)
ICC2
(Notes 2, 3)
2
6
mA
Input Leakage Current
(Any Input)
IIL
-1
+1
A
Output Leakage Current
(Any Output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
(Note 1)
2.4
V
VOL1
IOUT = 2.1 mA,
DQ0–7 Outputs
(Note 1)
0.4
V
Output Logic 0 Voltage
VOL2
IOUT = 7.0 mA,
IRQ/FT, and RST
Outputs
(Notes 1, 5)
0.4
V
Write Protection Voltage
VPF
(Note 1)
4.20
4.50
V
Battery Switchover Voltage
VSO
(Notes 1, 4)
VBAT
V
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DS1557P-70IND+ 功能描述:實(shí)時(shí)時(shí)鐘 4M NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1557WP-120 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1557WP-120+ 功能描述:實(shí)時(shí)時(shí)鐘 4M NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1557WP-120IND 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1557WP-120IND+ 功能描述:實(shí)時(shí)時(shí)鐘 4M NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube