- 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：汽车类具有三态输出的八路边沿 D 类触发器
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The SN74LV374A is an octal edge-triggered D-type flip-flop designed for 2-V to 5.5-V VCC operation.
This device features 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. It is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.
A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without need for interface or pullup components.
OE does not affect internal operations of the latch. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.
- Qualified for Automotive Applications
- Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
- Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25°C
- Supports Mixed-Mode Signal Operation on All Ports
- Ioff Supports Partial-Power-Down Mode Operation
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)
- Number of channels (#)
- 8
- Technology Family
- LV-A
- Supply voltage (Min) (V)
- 2
- Supply voltage (Max) (V)
- 5.5
- Input type
- Standard CMOS
- Output type
- 3-State
- Clock Frequency (Max) (MHz)
- 70
- IOL (Max) (mA)
- 12
- IOH (Max) (mA)
- -12
- ICC (Max) (uA)
- 20
- Features
- Balanced outputs, High speed (tpd 10-50ns), Over-voltage tolerant inputs, Partial power down (Ioff)
SN74LV374A-Q1的完整型号有：SN74LV374ATPWRG4Q1，以下是这些产品的关键参数及官网采购报价：
SN74LV374ATPWRG4Q1，工作温度：-40 to 105，封装：TSSOP (PW)-20，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74LV374ATPWRG4Q1的批量USD价格：0.372（1000+）
14-24-LOGIC-EVM — 支持 14 到 24 引脚 PW、DB、D、DW、NS、DYY 和 DGV 封装的通用逻辑 EVM
该 EVM 设计用于支持采用 14 至 24 引脚 D、DW、DB、NS、PW、DYY 或 DGV 封装的任何逻辑器件。
