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74CB3Q3257PW Datasheet Preview

74CB3Q3257PW Datasheet

4-bit 1-of-2 FET multiplexer/demultiplexer

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74CB3Q3257
4-bit 1-of-2 FET multiplexer/demultiplexer with charge pump
Rev. 1 — 14 August 2017
Product data sheet
1 General description
The 74CB3Q3257 is a quad high-bandwidth single-pole, double-throw FET bus switch.
The device features one select input (S) and one output enable input (OE). The switch is
disabled when the OE input is HIGH. An internal charge-pump increases the gate voltage
of the NMOS pass transistor. The result is improved RON and RON(flat) performance and
the ability to switch 5 V signals when VCC = 3.3 V.
2 Features and benefits
Wide supply voltage range from 2.3 V to 3.6 V
Overvoltage switching on switch ports:
0 V to 5 V switching with VCC = 2.5 V
0 V to 5 V switching with VCC = 3.3 V
4 Ω (typical) ON resistance
3.5 pF (typical) OFF-state capacitance
High bandwidth 0.5 GHz (maximum)
Low input/output capacitance minimizes loading and signal distortion
Fast switching frequency fmax = 20 MHz (maximum)
Low power consumption ICC = 0.4 mA (typical)
Control inputs can be driven by TTL or 5 V/3.3 V CMOS outputs
IOFF supports partial power-down mode operation
Latch-up performance exceeds 100 mA per JESD 78E Class II Level A
ESD protection:
HBM ANSI/ESDA/JEDEC JS-001-2012 Class 2 exceeds 2 kV
CDM JESD22-C101F exceeds 1000 V
Specified from -40 °C to +85 °C
3 Applications
Communication infrastructure
Bus isolation
Memory interleaving
Sensor multiplexing




nexperia

74CB3Q3257PW Datasheet Preview

74CB3Q3257PW Datasheet

4-bit 1-of-2 FET multiplexer/demultiplexer

No Preview Available !

Nexperia
74CB3Q3257
4-bit 1-of-2 FET multiplexer/demultiplexer with charge pump
4 Ordering information
Table 1. Ordering information
Type number Package
Temperature
range
74CB3Q3257PW -40 °C to +85 °C
74CB3Q3257BQ -40 °C to +85 °C
Name
Description
Version
TSSOP16
plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
SOT403-1
DHVQFN16
plastic dual in-line compatible thermal enhanced very SOT763-1
thin quad flat package; no leads; 16 terminals;
body 2.5 x 3.5 x 0.85 mm
5 Functional diagram
1A
1B1
1B2
2A
2B1
2B2
3A
3B1
3B2
4A
4B1
4B2
S
OE
Figure 1.  Logic symbol
aaa-027232
74CB3Q3257
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 14 August 2017
© Nexperia B.V. 2017. All rights reserved.
2 / 17


Part Number 74CB3Q3257PW
Description 4-bit 1-of-2 FET multiplexer/demultiplexer
Maker nexperia
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