SN74CB3T3245 Series

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

Catalog

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

Part	Voltage - Supply [Min]	Voltage - Supply [Max]	Package / Case	Package / Case [y]	Package / Case [y]	Type	Circuit [custom]	Circuit [custom]	Operating Temperature [Max]	Operating Temperature [Min]	Voltage Supply Source	Mounting Type	Independent Circuits	Supplier Device Package	Package / Case [x]	Package / Case [custom]	Package / Case [custom]
Texas Instruments SN74CB3T3245DWG4	2.3 V	3.6 V	20-SOIC	0.295 in	7.5 mm	Bus Switch	8	1:1	85 °C	-40 °C	Single Supply	Surface Mount	1	20-SOIC
Texas Instruments SN74CB3T3245PWR	2.3 V	3.6 V	20-TSSOP	4.4 mm		Bus Switch	8	1:1	85 °C	-40 °C	Single Supply	Surface Mount	1	20-TSSOP	0.173 in
Texas Instruments SN74CB3T3245DBQR	2.3 V	3.6 V	20-SSOP			Bus Switch	8	1:1	85 °C	-40 °C	Single Supply	Surface Mount	1	20-SSOP		0.154 in	3.9 mm
Texas Instruments SN74CB3T3245DGVR	2.3 V	3.6 V	20-TFSOP	0.173 in	4.4 mm	Bus Switch	8	1:1	85 °C	-40 °C	Single Supply	Surface Mount	1	20-TVSOP
Texas Instruments SN74CB3T3245PW	2.3 V	3.6 V	20-TSSOP	4.4 mm		Bus Switch	8	1:1	85 °C	-40 °C	Single Supply	Surface Mount	1	20-TSSOP	0.173 in
Texas Instruments SN74CB3T3245DWRG4	2.3 V	3.6 V	20-SOIC	0.295 in	7.5 mm	Bus Switch	8	1:1	85 °C	-40 °C	Single Supply	Surface Mount	1	20-SOIC

Catalog

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

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.