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參數(shù)資料
| 型號： | DS1644P-120 |
| 英文描述： | Nonvolatile Timekeeping RAM |
| 中文描述： | 非易失性內(nèi)存時鐘 |
| 文件頁數(shù)： | 12/13頁 |
| 文件大?。?/td> | 302K |
| 代理商： | DS1644P-120 |
DS1644/DS1644P
12 of 13
PACKAGE INFORMATION
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline
www.maxim-ic.com/DallasPackInfo.)
DS1644 28-PIN PACKAGE
PKG
DIM
A IN.
MM
B IN.
MM
C IN.
MM
D IN.
MM
E IN.
MM
F IN.
MM
G IN.
MM
H IN.
MM
J IN.
MM
K IN.
MM
28-PIN
MIN
1.470
37.34
0.715
18.16
0.335
8.51
0.075
1.91
0.015
0.38
0.140
3.56
0.090
2.29
0.590
14.99
0.010
0.25
0.015
0.38
MAX
1.490
37.85
0.740
18.80
0.365
9.27
0.105
2.67
0.030
0.76
0.180
4.57
0.110
2.79
0.630
16.00
0.018
0.45
0.025
0.64
DS1644P
PKG
DIM
A
B
C
D
E
F
G
INCHES
MIN
0.920
0.980
-
0.052
0.048
0.015
0.025
NOM
0.925
0.985
-
0.055
0.050
0.020
0.027
MAX
0.930
0.990
0.080
0.058
0.052
0.025
0.030
NOTE FOR THE PowerCap VERSION:
a. DALLAS SEMICONDUCTOR RECOMMENDS THAT PowerCap
MODULE BASES EXPERIENCE ONE PASS THROUGH
SOLDER REFLOW ORIENTED WITH THE LABEL SIDE UP
(“LIVE - BUG”).
b. HAND SOLDERING AND TOUCH-UP: DO NOT TOUCH OR
APPLY THE SOLDERING IRON TO LEADS FOR MORE THAN
3 SECONDS. TO SOLDER, APPLY FLUX TO THE PAD, HEAT
THE LEAD FRAME PAD AND APPLY SOLDER. TO REMOVE
THE PART, APPLY FLUX, HEAT THE LEAD FRAME PAD
UNTIL THE SOLDER REFLOWS AND USE A SOLDER WICK
TO REMOVE SOLDER.
相關PDF資料 |
PDF描述 |
|---|---|
| DS1644J | Quad Clock Driver |
| DS1648J | 2-Input Digital Multiplexer |
| DS3644J | 800mA, Low-Voltage, DC-DC Step-Up Converter, Logic-High On - TDFN-10 |
| DS3644N | Low Voltage, 1.2 MHz, Micropower, DC-DC Step-Up Converter, Powersave Operation (medium loads), shutdown battery feedthrough - TSOT23-6 |
| DS3647A | |
相關代理商/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:實時時鐘 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 時間格式:HH:MM:SS RTC 存儲容量: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) |
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