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CBT6832E

16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged outputs and Schottky undershoot protection for live insertion

Philips Electronics 

Philips Semiconductors

Product specification

16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged CBT6832E

outputs and Schottky undershoot protection for live insertion

FEATURES

• 5 Ω typical ron

• Pull-up on B port

• Undershoot protection on A port only: –2.0 V

• Near zero propagation delay

• Controlled enable rate

• VCC operating range: +4.5 V to +5.5 V

• > 100 MHz bandwidth (or clock rate) at 20 pF load capacitance

• 56-pin TSSOP package

• Bias voltage pre-charges the B output when the channel is

disabled

• Latch-up protection exceeds 100 mA per JESD78

• ESD protection exceeds 2000 V HBM per JESD22-A114,

200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101

APPLICATION

• Provides PCI hot-plugging

DESCRIPTION

The CBT6832E is a 16-bit controlled enable rate 1-of-2

multiplexer/demultiplexer with precharged outputs and Schottky

undershoot protection for live insertion. Advantages of the CBT6832

include a propagation delay of 250 ps, resulting from 5 Ω channel

resistance, and low I/O capacitance. A port demultiplexes to either

1B and 2B, or to both. The switch is bi-directional.

PIN CONFIGURATION

1B1 1

2B1 2

2A 3

3B1 4

4B1 5

4A 6

5B1 7

6B1 8

6A 9

7B1 10

8B1 11

8A 12

GND 13

VCC 14

9B1 15

10B1 16

10A 17

11B1 18

12B1 19

12A 20

13B1 21

14B1 22

14A 23

15B1 24

16B1 25

16A 26

VBIAS1 27

SEL1 28

QUICK REFERENCE DATA

SYMBOL

PARAMETER

tPLH

tPHL

CIN

COFF B

COFF A

CON 1

CON 2

Propagation delay

An to Bn or Bn to An

Input capacitance control pins

B capacitance, switch off

A capacitance, switch off

One channel enabled capacitance

Both channels enabled capacitance

CONDITIONS

Tamb = 25°C; GND = 0 V

CL = 50 pF; VCC = 5 V

VI = 0 V or VCC

Outputs disabled; VO = 0 V

Outputs disabled; VO = 0 V

One B enabled; VO = 0 V

Both B channels enabled; VO = 0 V

ORDERING INFORMATION

PACKAGES

56-Pin Plastic TSSOP Type II

TEMPERATURE RANGE

0°C to +70°C

ORDER CODE

CBT6832E DGG

56 1A

55 1B2

54 2B2

53 3A

52 3B2

51 4B2

50 5A

49 5B2

48 6B2

47 7A

46 7B2

45 8B2

44 GND

43 VCC

42 9A

41 9B2

40 10B2

39 11A

38 11B2

37 12B2

36 13A

35 13B2

34 14B2

33 15A

32 15B2

31 16B2

30 VBIAS2

29 SEL2

SW00478

TYPICAL

.25

4.5

8

13

21

34

UNIT

ns

pF

pF

pF

pF

pF

DWG NUMBER

SOT364-1

2000 Sep 01

2

853-2217 24481

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