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參數資料
型號: DS1646-120+
廠商: Maxim Integrated Products
文件頁數: 1/12頁
文件大?。?/td> 0K
描述: IC RAM TIMEKEEP NV 120NS 32-EDIP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 12
類型: 時鐘/日歷
特點: 閏年,NVSRAM
存儲容量: 128KB
時間格式: HH:MM:SS(24 小時)
數據格式: YY-MM-DD-dd
接口: 并聯
電源電壓: 4.5 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 32-DIP 模塊(0.600",15.24mm)
供應商設備封裝: 32-EDIP
包裝: 管件
產品目錄頁面: 1432 (CN2011-ZH PDF)
1 of 12
FEATURES
Integrates NV SRAM, Real-Time Clock,
Crystal, Power-Fail Control Circuit and
Lithium Energy Source
Clock Registers are Accessed Identically to
the Static RAM. These Registers are
Resident in the Eight Top RAM Locations
Totally Nonvolatile with Over 10 Years of
Operation in the Absence of Power
BCD-Coded Year, Month, Date, Day, Hours,
Minutes, and Seconds with Leap Year
Compensation Valid Up to 2100
Power-Fail Write Protection Allows for
±10% VCC Power Supply Tolerance
DS1646 only (DIP Module)
Standard JEDEC Bytewide 128k x 8 RAM
Pinout
DS1646P Only (PowerCap Module Board)
Surface Mountable Package for Direct
Connection to PowerCap Containing
Battery and Crystal
Replaceable Battery (PowerCap)
Power-Fail Output
Pin-for-Pin Compatible with Other Densities
of DS164xP Timekeeping RAM
Underwriters Laboratories (UL) Recognized
PIN CONFIGURATIONS
ORDERING INFORMATION
PART
VOLTAGE
RANGE (V)
TEMP RANGE
PIN-PACKAGE
TOP MARK
DS1646-120+
5.0
0°C to +70°C
32 EDIP (0.740a)
DS1646+120
DS1646P-120+
5.0
0°C to +70°C
34 PowerCap*
DS1646P+120
+Denotes a lead(Pb)-free/RoHS-compliant package.
*DS9034-PCX+ or DS9034I-PCX+ required (must be ordered separately).
A “+" indicates a lead(Pb)-free product. The top mark will include a “+" symbol on lead(Pb)-free devices.
1
N.C.
2
3
A15
A16
PFO
VCC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
4
5
6
7
8
9
10
11
12
13
14
15
16
17
N.C.
A14
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34
N.C.
X1 GND VBAT X2
34-Pin PowerCap Module Board
(Uses DS9034PCX+ or DS9034I-PCX+ PowerCap)
13
1
2
3
4
5
6
7
8
9
10
11
12
14
31
32-Pin Encapsulated Package
A14
A7
A5
A4
A3
A2
A1
A0
DQ1
DQ0
VCC
A15
N.C.
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ5
DQ6
32
30
29
28
27
26
25
24
23
22
21
19
20
A16
A12
A6
N.C.
DQ2
GND
15
16
18
17
DQ4
DQ3
DS1646/DS1646P
Nonvolatile Timekeeping RAM
www.maxim-ic.com
19-5595; Rev 10/10
相關PDF資料
PDF描述
DS1647P-120 IC RAM TIMEKEEP NV 120NS 34-PCM
DS1670S IC CTRLR SYSTEM PORTABLE 20-SOIC
DS1672S-3/T&R IC TIMEKEEPER 3V 32-BIT 8-SOIC
DS1673S-3 IC CTRLR SYSTEM PORT 3V 20-SOIC
DS1677E IC CTRLR SYSTEM PORT 20-TSSOP
相關代理商/技術參數
參數描述
DS1646-120+ 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
DS1646-15 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (Battery Based)
DS1646H-120 功能描述:實時時鐘 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
DS1646L-12 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (Battery Based)
DS1646L-120 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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