SN74LVC125A系列介绍资料

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SN74LVC125A

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具有三态输出的 4 通道、1.65V 至 3.6V 缓冲器

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This quadruple bus buffer gate is designed for 1.65-V to 3.6-V V_CC operation.

The SN74LVC125A device features independent line drivers with 3-state outputs. Each output is disabled when the associated output-enable (OE) input is high.

To ensure the high-impedance state during power up or power down, OE should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment.

3-State Outputs
Separate OE for all 4 buffers
Operates From 1.65 V to 3.6 V
Specified From –40°C to 85°C
and –40°C to 125°C
Inputs Accept Voltages to 5.5 V
Max t_pd of 4.8 ns at 3.3 V
Typical V_OLP (Output Ground Bounce)
< 0.8 V at V_CC = 3.3 V, T_A = 25°C
Typical V_OHV (Output V_OH Undershoot)
> 2 V at V_CC = 3.3 V, T_A = 25°C
Latch-Up Performance Exceeds 250 mA
Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model
- 200-V Machine Model
- 1000-V Charged-Device Model
APPLICATIONS
- Cable Modem Termination Systems
- IP Phones: Wired and Wireless
- Optical Modules
- Optical Networking:
  - EPON or Video Over Fiber
- Point-to-Point Microwave Backhaul
- Power: Telecom DC/DC Modules:
  - Analog or Digital
- Private Branch Exchanges (PBX)
- TETRA Base Stations
- Telecom Base Band Units
- Telecom Shelters:
  - Filter Units
  - Power Distribution Units (PDU)
  - Power Monitoring Units (PMU)
  - Wireless Battery Monitoring
  - Remote Electrical Tilt Units (RET)
  - Remote Radio Units (RRU)
  - Tower Mounted Amplifiers (TMA)
- Vector Signal Analyzers and Generators
- Video Conferencing: IP-Based HD
- WiMAX and Wireless Infrastructure Equipment
- Wireless Communications Testers
- xDSL Modems and DSLAM

All other trademarks are the property of their respective owners

Technology family	LVC
Supply voltage (min) (V)	1.65
Supply voltage (max) (V)	3.6
Number of channels	4
IOL (max) (mA)	24
Supply current (max) (µA)	40
IOH (max) (mA)	-24
Input type	Standard CMOS
Output type	3-State
Features	Balanced outputs, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)
Rating	Catalog
Operating temperature range (°C)	-40 to 125

SOIC (D)	14	51.9 mm² 8.65 x 6
SOP (NS)	14	79.56 mm² 10.2 x 7.8
SSOP (DB)	14	48.36 mm² 6.2 x 7.8
TSSOP (PW)	14	32 mm² 5 x 6.4
VQFN (RGY)	14	12.25 mm² 3.5 x 3.5

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SN74LVC125A

具有三态输出的 4 通道、1.65V 至 3.6V 缓冲器

4000-306-326