CC = 3.3V ±1" />
參數(shù)資料
型號(hào): DS1557WP-120IND+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 3/17頁(yè)
文件大小: 0K
描述: IC RTC RAM Y2K 3.3V 120NS 34PCM
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 40
類型: 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: 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(yīng)商設(shè)備封裝: 34-PowerCap 模塊
包裝: 管件
DS1557 4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM
11 of 17
DC ELECTRICAL CHARACTERISTICS
(V
CC = 3.3V ±10%, T
A = Over the Operating Range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Active Supply Current
ICC
(Notes 2, 3, 11)
20
30
mA
TTL Standby Current
(
CE = V
IH)
ICC1
(Notes 2, 3)
2
6
mA
CMOS Standby Current
(
CE
V
CC - 0.2V)
ICC2
(Notes 2, 3)
1
4
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)
2.75
2.97
V
Battery Switchover Voltage
VSO
(Notes 1, 4)
VBAT
or
VPF
V
Figure 5. Read Cycle Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
DS1557WP-150 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:4MEG NV Y2KC Timekeeping RAM
DS1558 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Watchdog Clock with NV RAM Control
DS1558B 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Watchdog Clock with NV RAM Control
DS1558D 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Watchdog Clock with NV RAM Control