74hct4851 NXP Semiconductors, 74hct4851 Datasheet

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74hct4851

Manufacturer Part Number
74hct4851
Description
8-channel Analog Multiplexer/demultiplexer With Injection-current Effect Control
Manufacturer
NXP Semiconductors
Datasheet

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1. General description
2. Features
The 74HC4851; 74HCT4851 are high-speed Si-gate CMOS devices and are specified in
compliance with JEDEC standard no. 7A.
The 74HC4851; 74HCT4851 are 8-channel analog multiplexers/demultiplexers with three
digital select inputs (S0 to S2), an active-LOW enable input (E), eight independent
inputs/outputs (Y0 to Y7) and a common input/output (Z). The devices feature
injection-current effect control, which has excellent value in automotive applications where
voltages in excess of the supply voltage are common.
With E LOW, one of the eight switches is selected (low impedance ON-state) by S0 to S2.
With E HIGH, all switches are in the high-impedance OFF-state, independent of S0 to S2.
The injection-current effect control allows signals at disabled analog input channels to
exceed the supply voltage without affecting the signal of the enabled analog channel.
This eliminates the need for external diode/resistor networks typically used to keep the
analog channel signals within the supply-voltage range.
I
I
I
I
I
74HC4851; 74HCT4851
8-channel analog multiplexer/demultiplexer with
injection-current effect control
Rev. 02 — 2 September 2008
Injection-current cross coupling < 1 mV/mA
Wide supply voltage range from 2.0 V to 6.0 V for 74HC4851
ESD protection:
Latch-up performance exceeds 100 mA per JESD 78 Class II level A
Low ON-state resistance:
N
N
N
N
N
N
N
HBM JESD22-A114E exceeds 2000 V
CDM JESD22-C101C exceeds 1000 V
400
215
120
76
59
(typical) at V
(typical) at V
(typical) at V
(typical) at V
(typical) at V
CC
CC
CC
CC
CC
= 4.5 V
= 6.0 V
= 2.0 V
= 3.0 V
= 3.3 V
Product data sheet

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74hct4851 Summary of contents

Page 1

... Rev. 02 — 2 September 2008 1. General description The 74HC4851; 74HCT4851 are high-speed Si-gate CMOS devices and are specified in compliance with JEDEC standard no. 7A. The 74HC4851; 74HCT4851 are 8-channel analog multiplexers/demultiplexers with three digital select inputs (S0 to S2), an active-LOW enable input (E), eight independent inputs/outputs (Y0 to Y7) and a common input/output (Z) ...

Page 2

... DHVQFN16 plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 16 terminals; body 2.5 3 001aad541 Fig 2. IEC logic symbol Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 0. MUX/DMUX ...

Page 3

... NXP Semiconductors Fig 3. Functional diagram 74HC_HCT4851_2 Product data sheet 74HC4851; 74HCT4851 8-channel analog MUX/DEMUX with injection-current effect control INJECTION CURRENT CONTROL INJECTION 11 CURRENT CONTROL INJECTION CURRENT CONTROL INJECTION 10 CURRENT CONTROL INJECTION 1-OF-8 CURRENT DECODER CONTROL INJECTION 9 CURRENT CONTROL INJECTION ...

Page 4

... 74HC_HCT4851_2 Product data sheet 74HC4851; 74HCT4851 8-channel analog MUX/DEMUX with injection-current effect control (1) The die substrate is attached to this pad using conductive die attach material. It can not be used as a supply pin or input. Fig 5. Pin confi ...

Page 5

... C. tot For TSSOP16 package: P derates linearly with 5.5 mW/K above 60 C. tot For DHVQFN16 packages: P derates linearly with 4.5 mW/K above 60 C. tot 74HC_HCT4851_2 Product data sheet 74HC4851; 74HCT4851 8-channel analog MUX/DEMUX with injection-current effect control ...

Page 6

... GND 4 4 Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 74HC4851 74HCT4851 Typ Max Min 2.0 - 6.0 4 +125 40 - 6.0 1000 - - 6.0 800 - - 6.0 800 ...

Page 7

... amb 25 C Min Typ 1.5 2.1 2.3 3.15 4 Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 74HC4851 74HCT4851 [1] Min Typ Max Min - +125 C ...

Page 8

... CC or GND; Figure 6 2 GND GND; Figure GND GND; Figure 2 GND Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 + +125 C Max Min Max - 0.1 - 0.5 - 0.2 - 2.0 - 0.1 - 0.5 - 2 0 ...

Page 9

... GND Fig 8. Test circuit for measuring ON resistance 74HC_HCT4851_2 Product data sheet 74HC4851; 74HCT4851 8-channel analog MUX/DEMUX with injection-current effect control 001aaf878 (1) Channel is selected by S0, S1 and S2. Fig 7. Test circuit for measuring ON-state leakage current 001aaf880 (1) Channel is selected by S0, S1 and S2 ...

Page 10

... 4 6 [3] Figure [4] Figure 3 5 Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 + +125 C Unit Max Min Max Min 15.5 - 17.5 14.5 - 16.5 11 12 105 - 90 - 100 ...

Page 11

... W where 0.5V CC input GND t PLH 0.5V CC output GND Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 + +125 C Unit Max Min Max Min 11.5 1.1 12.5 1.1 13 2.3 15 2.3 25 3.0 30 3 PHL 001aah574 © NXP B.V. 2008. All rights reserved. ...

Page 12

... PHZ GND switch ON Table 10. are typical output voltage levels that occur with the output load. Output 0. 3.0 V 0.5V CC Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 t PHL 001aah575 PZL PZH V M switch OFF switch ON 001aah576 0.1 ...

Page 13

... NXP Semiconductors Fig 13. Test circuit for measuring power dissipation capacitance 74HC_HCT4851_2 Product data sheet 74HC4851; 74HCT4851 8-channel analog MUX/DEMUX with injection-current effect control selected channel n. disabled channel GND 001aah577 Rev. 02 — 2 September 2008 © NXP B.V. 2008. All rights reserved. ...

Page 14

... V PHL, PLH PHZ PZH PLZ PZL [1] For 74HCT4851: input voltage V I 74HC_HCT4851_2 Product data sheet 8-channel analog MUX/DEMUX with injection-current effect control negative V M pulse positive ...

Page 15

... 0.49 0.25 10.0 4.0 1.27 0.36 0.19 9.8 3.8 0.019 0.0100 0.39 0.16 0.244 0.05 0.014 0.0075 0.38 0.15 0.228 REFERENCES JEDEC JEITA MS-012 Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 detail 6.2 1.0 0.7 1.05 0.25 0.25 5.8 0.4 0.6 0.039 0.028 0.041 0.01 0.01 ...

Page 16

... MUX/DEMUX with injection-current effect control 2.5 scale (1) ( 0.30 0.2 5.1 4.5 0.65 0.19 0.1 4.9 4.3 REFERENCES JEDEC JEITA MO-153 Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 detail 6.6 0.75 0.4 1 0.2 0.13 6.2 0.50 0.3 EUROPEAN ...

Page 17

... 2.5 scale (1) ( 3.6 2.15 2.6 1.15 0.5 2.5 3.4 1.85 2.4 0.85 REFERENCES JEDEC JEITA MO-241 - - - Rev. 02 — 2 September 2008 74HC4851; 74HCT4851 detail 0.5 0.05 0.1 0.1 0.05 0.3 EUROPEAN PROJECTION SOT763 ISSUE DATE 02-10-17 03-01-27 © NXP B.V. 2008. All rights reserved ...

Page 18

... Machine Model 15. Revision history Table 13. Revision history Document ID Release date 74HC_HCT4851_2 20080902 • Modifications: 74HCT4851 device added. 74HC4851_1 20070309 74HC_HCT4851_2 Product data sheet 74HC4851; 74HCT4851 8-channel analog MUX/DEMUX with injection-current effect control Data sheet status Change notice Product data sheet ...

Page 19

... Contact information For more information, please visit: For sales office addresses, please send an email to: 74HC_HCT4851_2 Product data sheet 74HC4851; 74HCT4851 8-channel analog MUX/DEMUX with injection-current effect control [3] Definition This document contains data from the objective specification for product development. ...

Page 20

... Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 17 Contact information Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 74HC4851; 74HCT4851 8-channel analog MUX/DEMUX with injection-current effect control Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP B.V. 2008. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp ...

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