74CB3T3245 Series

3.3-V, 1:1 (SPST), 8-channel FET bus switch with level shifter

Catalog(5 parts)

Part	Mounting Type	Package / Case▲▼	Package / Case	Type	Supplier Device Package	Circuit▲▼	Circuit	Operating Temperature▲▼	Operating Temperature▲▼	Independent Circuits▲▼	Voltage Supply Source	Voltage - Supply▲▼	Voltage - Supply▲▼	Package / Case▲▼	Package / Case▲▼
Texas Instruments SN74CB3T3245DWG4 Bus Switch 8 x 1:1 20-SOIC	Surface Mount	0.007493000011891127 m, 0.007499999832361937 m	20-SOIC	Bus Switch	20-SOIC	8 ul	1:1	-40 °C	85 °C	1 ul	Single Supply	3.5999999046325684 V	2.299999952316284 V
Texas Instruments SN74CB3T3245PWR Bus Switch 8 x 1:1 20-TSSOP	Surface Mount	0.004394200164824724 m	20-TSSOP	Bus Switch	20-TSSOP	8 ul	1:1	-40 °C	85 °C	1 ul	Single Supply	3.5999999046325684 V	2.299999952316284 V	0.004399999976158142 m
Texas Instruments SN74CB3T3245DBQR Bus Switch 8 x 1:1 20-SSOP	Surface Mount	0.003911599982529879 m	20-SSOP	Bus Switch	20-SSOP	8 ul	1:1	-40 °C	85 °C	1 ul	Single Supply	3.5999999046325684 V	2.299999952316284 V	0.003899999894201755 m
Texas Instruments SN74CB3T3245DGVR Bus Switch 8 x 1:1 20-TVSOP	Surface Mount		20-TFSOP	Bus Switch	20-TVSOP	8 ul	1:1	-40 °C	85 °C	1 ul	Single Supply	3.5999999046325684 V	2.299999952316284 V	0.004394200164824724 m	0.004399999976158142 m
Texas Instruments SN74CB3T3245PW Bus Switch 8 x 1:1 20-TSSOP	Surface Mount	0.004394200164824724 m	20-TSSOP	Bus Switch	20-TSSOP	8 ul	1:1	-40 °C	85 °C	1 ul	Single Supply	3.5999999046325684 V	2.299999952316284 V	0.004399999976158142 m

Key Features

• Standard ’245-Type PinoutOutput Voltage Translation Tracks VCCSupports Mixed-Mode Signal Operation on All Data I/O Ports5-V Input Down to 3.3-V Output Level Shift With 3.3-V VCC5-V/3.3-V Input Down to 2.5-V Output Level Shift With 2.5-V VCC5-V-Tolerant I/Os With Device Powered Up or Powered DownBidirectional Data Flow With Near-Zero Propagation DelayLow ON-State Resistance (ron) Characteristics (ron= 5 Ω Typical)Low Input/Output Capacitance Minimizes Loading (Cio(OFF)= 5 pF Typical)Data and Control Inputs Provide Undershoot Clamp DiodesLow Power Consumption (ICC= 40 µA Maximum)VCCOperating Range From 2.3 V to 3.6 VData 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 or5-V/3.3-V CMOS OutputsIoffSupports Partial-Power-Down Mode OperationLatch-Up Performance Exceeds 250 mA Per JESD 17ESD Performance Tested Per JESD 222000-V Human-Body Model (A114-B, Class II)1000-V Charged-Device Model (C101)Ideal for Low-Power Portable EquipmentStandard ’245-Type PinoutOutput Voltage Translation Tracks VCCSupports Mixed-Mode Signal Operation on All Data I/O Ports5-V Input Down to 3.3-V Output Level Shift With 3.3-V VCC5-V/3.3-V Input Down to 2.5-V Output Level Shift With 2.5-V VCC5-V-Tolerant I/Os With Device Powered Up or Powered DownBidirectional Data Flow With Near-Zero Propagation DelayLow ON-State Resistance (ron) Characteristics (ron= 5 Ω Typical)Low Input/Output Capacitance Minimizes Loading (Cio(OFF)= 5 pF Typical)Data and Control Inputs Provide Undershoot Clamp DiodesLow Power Consumption (ICC= 40 µA Maximum)VCCOperating Range From 2.3 V to 3.6 VData 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 or5-V/3.3-V CMOS OutputsIoffSupports Partial-Power-Down Mode OperationLatch-Up Performance Exceeds 250 mA Per JESD 17ESD Performance Tested Per JESD 222000-V Human-Body Model (A114-B, Class II)1000-V Charged-Device Model (C101)Ideal for Low-Power Portable Equipment

Description

The SN74CB3T3245 device is a high-speed TTL-compatible 8-bit FET bus switch with low ON-state resistance (ron), 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 VCC. The SN74CB3T3245 device is a high-speed TTL-compatible 8-bit FET bus switch with low ON-state resistance (ron), 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 VCC.