SN74CB3T16211

Name: SN74CB3T16211
Brand: TI
SKU: SN74CB3T16211
Price: 0.92 USD

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24-kanaliger FET-Busschalter, 3,3 V, 1:1 (SPST) mit Pegelwandler

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Datenblatt

document-pdfAcrobat SN74CB3T16211 datasheet (Rev. C) (Englisch)

SN74CB3T16211

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Datenblatt

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Produktdetails

Configuration

1:1 SPST

Number of channels

24

Power supply voltage - single (V)

2.5, 3.3

Protocols

Analog

Ron (typ) (Ω)

5

CON (typ) (pF)

13

ON-state leakage current (max) (µA)

20

Bandwidth (MHz)

100

Operating temperature range (°C)

-40 to 85

Features

Powered-off protection, Signal path translation

Input/output continuous current (max) (mA)

128

Rating

Catalog

Drain supply voltage (max) (V)

3.6

Supply voltage (max) (V)

3.6

Configuration

1:1 SPST

Number of channels

24

Power supply voltage - single (V)

2.5, 3.3

Protocols

Analog

Ron (typ) (Ω)

5

CON (typ) (pF)

13

ON-state leakage current (max) (µA)

20

Bandwidth (MHz)

100

Operating temperature range (°C)

-40 to 85

Features

Powered-off protection, Signal path translation

Input/output continuous current (max) (mA)

128

Rating

Catalog

Drain supply voltage (max) (V)

3.6

Supply voltage (max) (V)

3.6

SSOP (DL)

56

190.647 mm² 18.42 x 10.35

TSSOP (DGG)

56

113.4 mm² 14 x 8.1

TVSOP (DGV)

56

72.32 mm² 11.3 x 6.4

Member of the Texas Instruments Widebus Family
Output Voltage Translation Tracks V_CC
Supports Mixed-Mode Signal Operation on
All Data I/O Ports
- 5-V Input Down to 3.3-V Output Level
  Shift With 3.3-V V_CC
- 5-V/3.3-V Input Down to 2.5-V Output
  Level Shift With 2.5-V V_CC
5-V Tolerant I/Os With Device Powered Up
or Powered Down
Bidirectional Data Flow With Near-Zero
Propagation Delay
Low ON-State Resistance (r_on) Characteristics
(r_on= 5 Ω Typ)
Low Input/Output Capacitance Minimizes
Loading (C_io(OFF) = 5 pF Typ)
Data and Control Inputs Provide
Undershoot Clamp Diodes
Low Power Consumption
(I_CC = 70 µA Max)
V_CC Operating Range From 2.3 V to 3.6 V
Data I/Os Support 0- 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
or 5-V/3.3-V CMOS Outputs
I_off Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Performance Tested Per JESD 22
- 2000-V Human-Body Model (A114-B, Class II)
- 1000-V Charged-Device Model (C101)
Supports Digital Applications: Level
Translation, PCI Interface, Bus Isolation
Ideal for Low-Power Portable Equipment

Member of the Texas Instruments Widebus Family
Output Voltage Translation Tracks V_CC
Supports Mixed-Mode Signal Operation on
All Data I/O Ports
- 5-V Input Down to 3.3-V Output Level
  Shift With 3.3-V V_CC
- 5-V/3.3-V Input Down to 2.5-V Output
  Level Shift With 2.5-V V_CC
5-V Tolerant I/Os With Device Powered Up
or Powered Down
Bidirectional Data Flow With Near-Zero
Propagation Delay
Low ON-State Resistance (r_on) Characteristics
(r_on= 5 Ω Typ)
Low Input/Output Capacitance Minimizes
Loading (C_io(OFF) = 5 pF Typ)
Data and Control Inputs Provide
Undershoot Clamp Diodes
Low Power Consumption
(I_CC = 70 µA Max)
V_CC Operating Range From 2.3 V to 3.6 V
Data I/Os Support 0- 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
or 5-V/3.3-V CMOS Outputs
I_off Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Performance Tested Per JESD 22
- 2000-V Human-Body Model (A114-B, Class II)
- 1000-V Charged-Device Model (C101)
Supports Digital Applications: Level
Translation, PCI Interface, Bus Isolation
Ideal for Low-Power Portable Equipment

The SN74CB3T16211 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (r_on), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks V_CC. The SN74CB3T16211 supports systems using 5-V TTL, 3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels.

The I/O port of this device has a pullup current source that maintains the output voltage at V_CC when the device is ON, and the input is greater than or equal to V_CC – 1. Because of the pullup current source, the output voltage level may be less than V_CC when the operating frequency is low and the I/O port is connected to a pulldown resistor. In order to maintain the output voltage at V_CC, a pullup resistor must be connected to V_CC instead of a pulldown resistor to ground.

The SN74CB3T16211 is organized as two 12-bit bus switches with separate output-enable (1OE, 2OE) inputs. It can be used as two 12-bit bus switches or as one 24-bit bus switch. When OE is low, the associated 12-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated 12-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.

This device is fully specified for partial-power-down applications using I_off. The I_off feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.

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.

The SN74CB3T16211 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (r_on), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks V_CC. The SN74CB3T16211 supports systems using 5-V TTL, 3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels.

The I/O port of this device has a pullup current source that maintains the output voltage at V_CC when the device is ON, and the input is greater than or equal to V_CC – 1. Because of the pullup current source, the output voltage level may be less than V_CC when the operating frequency is low and the I/O port is connected to a pulldown resistor. In order to maintain the output voltage at V_CC, a pullup resistor must be connected to V_CC instead of a pulldown resistor to ground.

The SN74CB3T16211 is organized as two 12-bit bus switches with separate output-enable (1OE, 2OE) inputs. It can be used as two 12-bit bus switches or as one 24-bit bus switch. When OE is low, the associated 12-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated 12-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.

This device is fully specified for partial-power-down applications using I_off. The I_off feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.

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.

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Alle anzeigen 14

	Typ	Titel		Datum
*	Data sheet	SN74CB3T16211 datasheet (Rev. C)		17 Aug 2012
	Application note	Selecting the Correct Texas Instruments Signal Switch (Rev. E)	PDF \| HTML	02 Jun 2022
	Application note	Multiplexers and Signal Switches Glossary (Rev. B)	PDF \| HTML	01 Dez 2021
	Application note	CBT-C, CB3T, and CB3Q Signal-Switch Families (Rev. C)	PDF \| HTML	19 Nov 2021
	Application brief	Eliminate Power Sequencing with Powered-off Protection Signal Switches (Rev. C)	PDF \| HTML	06 Jan 2021
	Selection guide	Logic Guide (Rev. AB)		12 Jun 2017
	Application note	How to Select Little Logic (Rev. A)		26 Jul 2016
	Application note	Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)		02 Dez 2015
	User guide	LOGIC Pocket Data Book (Rev. B)		16 Jan 2007
	More literature	Digital Bus Switch Selection Guide (Rev. A)		10 Nov 2004
	Application note	Semiconductor Packing Material Electrostatic Discharge (ESD) Protection		08 Jul 2004
	Application note	Selecting the Right Level Translation Solution (Rev. A)		22 Jun 2004
	User guide	Signal Switch Data Book (Rev. A)		14 Nov 2003
	Application note	Bus FET Switch Solutions for Live Insertion Applications		07 Feb 2003

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