SN74CB3Q3125系列介绍资料

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SN74CB3Q3125

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3.3V、1:1 (SPST)、4 通道 FET 总线开关

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The SN74CB3Q3125 device is a high-bandwidth FET bus switch that uses a charge pump to elevate the gate voltage of the pass transistor, thus providing a low and flat ON-state resistance (r_on). The low and flat ON-state resistance allows for minimal propagation delay and supports rail-to-rail switching on the data input/output (I/O) ports. The SN74CB3Q3125 device also features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus.

High-Bandwidth Data Path (up to 500 MHz⁽¹⁾)
5-V Tolerant I/Os With Device Powered Up
or Powered Down
Low and Flat ON-State Resistance (r_on)
Characteristics Over Operating Range
(r_on= 3 Ω Typ)
Rail-to-Rail Switching on Data I/O Ports
- 0-V to 5-V Switching With 3.3-V V_CC
- 0-V to 3.3-V Switching With 2.5-V V_CC
Bidirectional Data Flow With Near-Zero
Propagation Delay
Low Input and Output Capacitance Minimizes
Loading and Signal Distortion
(C_io(OFF) = 4 pF Typ)
Fast Switching Frequency (f_OE = 20 MHz Max)
Data and Control Inputs Provide Undershoot
Clamp Diodes
Low Power Consumption
(I_CC= 0.3 mA Typ)
V_CC Operating Range From 2.3 V to 3.6 V
Data I/Os Support 0-V to 5-V Signaling Levels
(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
Control Inputs Can Be Driven by TTL,
5-V, or 3.3-V CMOS Outputs
I_off Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Performance Tested Per JESD 22
- 2000-V Human-Body Model
  (A114-B, Class II)
- 1000-V Charged-Device Model (C101)
Supports Both Digital and Analog Applications:
USB Interface, Differential Signal Interface, Bus
Isolation, Low-Distortion Signal Gating

Configuration	1
Number of channels	4
Power supply voltage - single (V)	2.5, 3.3
Protocols	Analog, I2C, I2S, JTAG, RGMII, SPI, TDM, UART
Ron (typ) (Ω)	4
CON (typ) (pF)	8
ON-state leakage current (max) (µA)	1
Supply current (typ) (µA)	2000
Bandwidth (MHz)	500
Operating temperature range (°C)	-40 to 85
Features	Powered-off protection, Supports input voltage beyond supply
Input/output continuous current (max) (mA)	64
Rating	Catalog
Drain supply voltage (max) (V)	3.6
Supply voltage (max) (V)	3.6

SSOP (DBQ)	16	29.4 mm² 4.9 x 6
TSSOP (PW)	14	32 mm² 5 x 6.4
TVSOP (DGV)	14	23.04 mm² 3.6 x 6.4
VQFN (RGY)	14	12.25 mm² 3.5 x 3.5

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SN74CB3Q3125

3.3V、1:1 (SPST)、4 通道 FET 总线开关

4000-306-326