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參數(shù)資料
| 型號： | DS1644P-120 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, DMA34 |
| 封裝： | POWERCAP MODULE BOARD-34 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 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
information, go to www.maxim-ic.com/DallasPackInfo.)
DS1644 28-PIN PACKAGE
PKG
28-PIN
DIM
MIN
MAX
A IN.
MM
1.470
37.34
1.490
37.85
B IN.
MM
0.715
18.16
0.740
18.80
C IN.
MM
0.335
8.51
0.365
9.27
D IN.
MM
0.075
1.91
0.105
2.67
E IN.
MM
0.015
0.38
0.030
0.76
F IN.
MM
0.140
3.56
0.180
4.57
G IN.
MM
0.090
2.29
0.110
2.79
H IN.
MM
0.590
14.99
0.630
16.00
J IN.
MM
0.010
0.25
0.018
0.45
K IN.
MM
0.015
0.38
0.025
0.64
DS1644P
PKG
INCHES
DIM
MIN
NOM
MAX
A
0.920
0.925
0.930
B
0.980
0.985
0.990
C
-
0.080
D
0.052
0.055
0.058
E
0.048
0.050
0.052
F
0.015
0.020
0.025
G
0.025
0.027
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 |
|---|---|
| DS1644P | 0 TIMER(S), REAL TIME CLOCK, DMA34 |
| DS1644 | 0 TIMER(S), REAL TIME CLOCK, DMA28 |
| DS1646-120 | 0 TIMER(S), REAL TIME CLOCK, DMA32 |
| DS1646P-120 | 0 TIMER(S), REAL TIME CLOCK, DMA34 |
| DS1646L-120 | 0 TIMER(S), REAL TIME CLOCK, DSO34 |
相關代理商/技術參數(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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