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参数资料
| 型号： | DS1646-120+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC RAM TIMEKEEP NV 120NS 32-EDIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 12 |
| 类型： | 时钟/日历 |
| 特点： | 闰年，NVSRAM |
| 存储容量： | 128KB |
| 时间格式： | HH:MM:SS（24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | 并联 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 32-DIP 模块（0.600"，15.24mm） |
| 供应商设备封装： | 32-EDIP |
| 包装： | 管件 |
| 产品目录页面： | 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
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PDF描述 |
|---|---|
| DS1647P-120 | IC RAM TIMEKEEP NV 120NS 34-PCM |
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| 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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1646-120+ | 功能描述:实时时钟 NV Timekeeping RAM RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1646-15 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:NVRAM (Battery Based) |
| DS1646H-120 | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1646L-12 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:NVRAM (Battery Based) |
| DS1646L-120 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:NVRAM (Battery Based) |
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