- 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 - D 型触发器
- 功能描述：具有使能端的四路 D 型触发器
- 点击这里打开及下载SN54LS379的技术文档资料
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These monolithic, positive-edge-triggered flip-flops utilize TTL circuitry to implement D-type flip-flop logic with an enable input. The 'LS377, 'LS378, and 'LS379 devices are similar to 'LS273, 'LS174, and 'LS175, respectively, but feature a common enable instead of a common clear.
Information at the D inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock pulse if the enable input G\ is low. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When the clock input is at either the high or low level, the D input signal has no effect at the output. The circuits are designed to prevent false clocking by transitions at the G\ input.
These flip-flops are guaranteed to respond to clock frequencies ranging from 0 to 30 MHz while maximum clock frequency is typically 40 megahertz. Typical power dissipation is 10 milliwatts per flip-flop.
- 'LS377 and 'LS378 Contain Eight and Six Flip-Flops, Respectively, with Single-Rail Outputs
- 'LS379 Contains Four Flip-Flops with Double-Rail Outputs
- Individual Data Input to Each Flip-Flop
- Applications Include:
- Buffer/Storage Registers
- Shift Registers
- Pattern Generators
- Number of channels (#)
- 4
- Technology Family
- LS
- Supply voltage (Min) (V)
- 4.5
- Supply voltage (Max) (V)
- 5.5
- Input type
- Bipolar
- Output type
- TTL
- Clock Frequency (Max) (MHz)
- 40
- IOL (Max) (mA)
- 8
- IOH (Max) (mA)
- -0.4
- ICC (Max) (uA)
- 15000
- Features
- High speed (tpd 10-50ns)
SN54LS379的完整型号有：SN54LS379J、SNJ54LS379FK、SNJ54LS379J，以下是这些产品的关键参数及官网采购报价：
SN54LS379J，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SN54LS379J的批量USD价格：8.198（1000+）
SNJ54LS379FK，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SNJ54LS379FK的批量USD价格：18.438（1000+）
SNJ54LS379J，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SNJ54LS379J的批量USD价格：8.055（1000+）
SN54LS379J，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SN54LS379J的批量USD价格：8.198（1000+）
SNJ54LS379FK，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SNJ54LS379FK的批量USD价格：18.438（1000+）
SNJ54LS379J，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SNJ54LS379J的批量USD价格：8.055（1000+）
