SN54LS195A_TI 4 位并行访问移位寄存器

SN54LS195A的基本参数

制造厂商：TI
产品类别：逻辑和电压转换
技术类目：触发器、锁存器和寄存器 - 移位寄存器
功能描述：4 位并行访问移位寄存器
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SN54LS195A的产品详情：

These 4-bit registers feature parallel inputs, parallel outputs, J-K\ serial inputs, shift/load (SH/LD\) control input, and a direct overriding clear. All inputs are buffered to lower the input drive requirements. The register has two modes of operation:

Parallel (broadside) loadShift (in the direction Q_A toward Q_D)

Parallel loading is accomplished by applying the four bits of data and taking SH/LD\ low. The data is loaded into the associated flip-flop and appears at the outputs after the positive transition of the clock input. During loading, serial data flow is inhibited.

Shifting is accomplished synchronously when SH/LD\ is high. Serial data for this mode is entered at the J-K\ inputs. These inputs permit the first stage to perform as a J-K\, D-, or T-type flip-flop as shown in the function table.

The high-performance 'S195, with a 105-megahertz typical maximum shift-frequency, is particularly attractive for very-high-speed data processing systems. In most cases existing systems can be upgraded merely by using this Schottky-clamped shift register.

SN54LS195A的优势和特性：

Synchronous Parallel Load
Positive-Edge-Triggered Clocking
Parallel Inputs and Outputs from Each Flip-Flop
Direct Overriding Clear
J and K\ Inputs to First Stage
Complementary Outputs from Last Stage
For Use in High Performance:
- Accumulators/Processors
- Serial-to-Parallel, Parallel-to-Serial Converters

SN54LS195A的参数（英文）：

Configuration
Universal
Bits (#)
4
Technology Family
LS
Supply voltage (Min) (V)
4.5
Supply voltage (Max) (V)
5.5
Input type
Bipolar
Output type
Push-Pull
Clock Frequency (MHz)
25
IOL (Max) (mA)
8
IOH (Max) (mA)
-0.4
ICC (Max) (uA)
63000
Features
High speed (tpd 10-50ns)

SN54LS195A具体的完整产品型号参数及价格（美元）：

SN54LS195A的完整型号有：JM38510/30602B2A、JM38510/30602BEA、M38510/30602B2A、M38510/30602BEA、SN54LS195AJ、SNJ54LS195AJ，以下是这些产品的关键参数及官网采购报价：

JM38510/30602B2A，工作温度：-55 to 125，封装：LCCC (FK)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网JM38510/30602B2A的批量USD价格：17.017（1000+）

JM38510/30602BEA，工作温度：-55 to 125，封装：CDIP (J)-16，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网JM38510/30602BEA的批量USD价格：11.475（1000+）

M38510/30602B2A，工作温度：-55 to 125，封装：LCCC (FK)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网M38510/30602B2A的批量USD价格：17.017（1000+）

M38510/30602BEA，工作温度：-55 to 125，封装：CDIP (J)-16，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网M38510/30602BEA的批量USD价格：11.475（1000+）

SN54LS195AJ，工作温度：-55 to 125，封装：CDIP (J)-16，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SN54LS195AJ的批量USD价格：7.957（1000+）

SNJ54LS195AJ，工作温度：-55 to 125，封装：CDIP (J)-16，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SNJ54LS195AJ的批量USD价格：7.084（1000+）

SN54LS195A的评估套件：

SN54LS195A的电路图解：

SN54LS195A的评估套件：