參數(shù)資料
型號(hào): DS1644P-120+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 13/14頁(yè)
文件大?。?/td> 0K
描述: IC RAM TIMEKEEP NV 120NS 34-PCM
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): 閏年,NVSRAM
存儲(chǔ)容量: 32KB
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: 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
產(chǎn)品目錄頁(yè)面: 1432 (CN2011-ZH PDF)
DS1644/DS1644P
8 of 14
AC ELECTRICAL CHARACTERISTICS
(Over the Operating Range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Read Cycle Time
tRC
120
ns
Address Access Time
tAA
120
ns
CE
Access Time
tCEA
120
ns
CE
Data Off Time
tCEZ
40
ns
Output Enable Access Time
tOEA
100
ns
Output Enable Data Off Time
tOEZ
40
ns
Output Enable to DQ Low-Z
tOEL
5
ns
CE
to DQ Low-Z
tCEL
5
ns
Output Hold from Address
tOH
5
ns
Write Cycle Time
tWC
120
ns
Address Setup Time
tAS
0
ns
CE
Pulse Width
tCEW
100
ns
tAH1
5
ns
5
Address Hold from End of Write
tAH2
30
ns
6
Write Pulse Width
tWEW
75
ns
WE
Data Off Time
tWEZ
40
ns
WE
or CE Inactive Time
tWR
10
ns
Data Setup Time
tDS
85
ns
tDH1
0
ns
5
Data Hold Time High
tDH2
15
ns
6
AC TEST CONDITIONS
Input Levels:
0V to 3V
Transition Times:
5 ns
CAPACITANCE
(TA = +25C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Capacitance on all pins (except DQ)
CI
7
pF
Capacitance on DQ pins
CDQ
10
pF
AC ELECTRICAL CHARACTERISTICS
(POWER-UP/DOWN TIMING)
(Over the Operating Range)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CE
or WE at VIH before Power Down
tPD
0
s
VPF (Max) to VPF (Min) VCC Fall Time
tF
300
s
VPF (Min) to VSO VCC Fall Time
tFB
10
s
VSO to VPF (Min) VCC Rise Time
tRB
1
s
VPF (Min) to VPF (Max) VCC Rise Time
tR
0
s
Power-Up
tREC
15
35
ms
Expected Data Retention Time
(Oscillator On)
tDR
10
years
4
相關(guān)PDF資料
PDF描述
VI-JTJ-MZ CONVERTER MOD DC/DC 36V 25W
DS3234SN# IC RTC W/TCXO 20-SOIC
DS3232SN# IC RTC I2C W/TCXO 20-SOIC
AD5273BRJZ100-R7 IC POT DGTL 1K 64POS SOT23
VI-B21-MY-F4 CONVERTER MOD DC/DC 12V 50W
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1644P120+ 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Nonvolatile Timekeeping RAM
DS1644P-120+ 功能描述:實(shí)時(shí)時(shí)鐘 NV Timekeeping RAM 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
DS1644P-150 制造商:Maxim Integrated Products 功能描述:
DS1645AB100 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-1M CMOS NVRAM
DS1645AB-100-IND 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (Battery Based)