参数资料
型号: DS2030L-100#
厂商: Maxim Integrated
文件页数: 11/12页
文件大小: 0K
描述: IC NVSRAM 256KBIT 100NS 256BGA
标准包装: 18
格式 - 存储器: RAM
存储器类型: NVSRAM(非易失 SRAM)
存储容量: 256K (32K x 8)
速度: 100ns
接口: 并联
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 256-BBGA
供应商设备封装: 256-BGA(27x27)
包装: 托盘
DS2030L 3.3V Single-Piece 256kb
Nonvolatile SRAM
Recommended Reflow Temperature Profile
Applications Information
PROFILE FEATURE
Average ramp-up rate
(T L to T P )
Preheat
- Temperature min (T Smin )
- Temperature max (T Smax )
- Time (min to max) (ts)
T Smax to T L
- Ramp-up rate
Time maintained above:
- Temperature (T L )
- Time (t L )
Peak temperature (T P )
Time within 5 ° C of actual peak
temperature (T P )
Ramp-down rate
Time 25 ° C to peak temperature
Sn-Pb EUTECTIC
ASSEMBLY
3 ° C/second max
100 ° C
150 ° C
60 to 120 seconds
183 ° C
60 to 150 seconds
225 +0/-5 ° C
10 to 30 seconds
6 ° C/second max
6 minutes max
Power-Supply Decoupling
To achieve the best results when using the DS2030L,
decouple the power supply with a 0.1μF capacitor. Use
a high-quality, ceramic surface-mount capacitor if pos-
sible. Surface-mount components minimize lead induc-
tance, which improves performance, while ceramic
capacitors have adequately high frequency response
for decoupling applications.
Using the Open-Drain RST Output
The RST output is open drain, and therefore requires a
pullup resistor to realize a high logic output level. Pullup
resistor values between 1k ? and 10k ? are typical.
Battery Charging/Lifetime
The DS2030L charges an ML battery to maximum
capacity in approximately 96 hours of operation when
V CC is greater than V TP . Once the battery is charged,
its lifetime depends primarily on the V CC duty cycle.
The DS2030L can maintain data from a single, initial
charge for up to 16 weeks. Once recharged, this deep-
discharge cycle can be repeated up to 20 times, pro-
ducing a worst-case service life of 6 years. More typical
Note: All temperatures refer to top side of the package, mea-
sured on the package body surface.
duty cycles are of shorter duration, enabling the
DS2030L to be charged hundreds of times, therefore
extending the service life well beyond 6 years.
Recommended Cleaning Procedures
The DS2030L may be cleaned using aqueous-based
cleaning solutions. No special precautions are needed
when cleaning boards containing a DS2030L module.
Removal of the topside label violates the environmen-
tal integrity of the package and voids the warranty of
the product.
____________________________________________________________________
11
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DS2030W 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3.3V Single-Piece 256k Nonvolatile SRAM
DS2030W-100 功能描述:NVRAM RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube
DS2030W-100# 功能描述:NVRAM RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube
DS2030Y 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single-Piece 256kb Nonvolatile SRAM