CBT6832E [NXP]
16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged outputs and Schottky undershoot protection for live insertion; 16位控制使能率1 -OF- 2复用器/解复用器与预充电输出和肖特基冲保护的带电插入
| 型号： | CBT6832E |
| 厂家： | 
NXP |
| 描述： | 16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged outputs and Schottky undershoot protection for live insertion |
| 文件： | 总8页 (文件大小：69K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
CBT6832E
16-bit controlled enable rate
1-of-2 multiplexer/demultiplexer with
precharged outputs and Schottky
undershoot protection for live insertion
Product specification
2000 Sep 01
Supersedes data of 2000 May 19
Philips
Semiconductors
Philips Semiconductors
Product specification
16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged
outputs and Schottky undershoot protection for live insertion
CBT6832E
FEATURES
PIN CONFIGURATION
• 5 Ω typical r
• Pull-up on B port
• Undershoot protection on A port only: –2.0 V
• Near zero propagation delay
• Controlled enable rate
on
1B1
2B1
2A
1
2
3
4
5
6
7
8
9
56 1A
55 1B2
54 2B2
53 3A
3B1
4B1
4A
52 3B2
51 4B2
50 5A
• V operating range: +4.5 V to +5.5 V
CC
5B1
6B1
6A
• > 100 MHz bandwidth (or clock rate) at 20 pF load capacitance
• 56-pin TSSOP package
5B2
49
48 6B2
47 7A
• Bias voltage pre-charges the B output when the channel is
7B1 10
8B1 11
8A 12
disabled
46 7B2
45 8B2
44 GND
• Latch-up protection exceeds 100 mA per JESD78
• ESD protection exceeds 2000 V HBM per JESD22-A114,
GND 13
200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
V
14
43
V
CC
CC
9B1 15
10B1 16
10A 17
11B1 18
12B1 19
12A 20
13B1 21
14B1 22
14A 23
15B1 24
16B1 25
16A 26
42 9A
41 9B2
40 10B2
39 11A
38 11B2
37 12B2
36 13A
35 13B2
34 14B2
33 15A
32 15B2
31 16B2
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.
V
27
30 V
BIAS2
BIAS1
SEL1 28
29 SEL2
SW00478
QUICK REFERENCE DATA
CONDITIONS
= 25°C; GND = 0 V
SYMBOL
PARAMETER
TYPICAL
UNIT
T
amb
t
t
Propagation delay
An to Bn or Bn to An
PLH
PHL
C = 50 pF; V = 5 V
.25
ns
L
CC
C
Input capacitance control pins
B capacitance, switch off
V = 0 V or V
CC
4.5
8
pF
pF
pF
pF
pF
IN
I
C
C
Outputs disabled; V = 0 V
O
OFF B
OFF A
A capacitance, switch off
Outputs disabled; V = 0 V
13
21
34
O
C
One channel enabled capacitance
Both channels enabled capacitance
One B enabled; V = 0 V
O
ON 1
ON 2
C
Both B channels enabled; V = 0 V
O
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
0°C to +70°C
ORDER CODE
CBT6832E DGG
DWG NUMBER
56-Pin Plastic TSSOP Type II
SOT364-1
2
2000 Sep 01
853-2217 24481
Philips Semiconductors
Product specification
16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged
outputs and Schottky undershoot protection for live insertion
CBT6832E
PIN DESCRIPTION
LOGIC DIAGRAM
PIN NUMBER
SYMBOL
NAME AND FUNCTION
V
BIAS1
3, 6, 9, 12, 17,
20, 23, 26, 33,
36, 39, 42, 47,
50, 53, 56
1A1–16A1 Inputs
PULLUP
1A
1B1
1, 2, 4, 5, 7, 8,
10, 11, 15, 16,
18, 19, 21, 22,
24, 25
V
V
V
BIAS2
1B1–16B1 Outputs
1B2–16B2 Outputs
PULLUP
31, 32, 34, 35,
37, 38, 40, 41,
45, 46, 48, 49,
51, 52, 54, 55
1B2
BIAS1
V
V
,
BIAS1
PULLUP
27, 30
Precharge bias voltage inputs
BIAS2
16A
16B1
16B2
28, 29
13, 44
14, 43
SEL1, SEL2 Select-control inputs
BIAS2
GND
Ground (0 V)
V
CC
Positive supply voltage
PULLUP
FUNCTION TABLE
SEL1
SEL2
SEL1
SEL2
FUNCTION
L
H
L
H
L
nA to nB1
nA to nB2
L
nA to nB1 and nB2
H
H
nB1, nB2 = V
BIAS
SV01801
1, 2
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
DC supply voltage
CONDITIONS
RATING
–0.5 to +7.0
–50
UNIT
V
V
CC
I
IK
DC input diode current
V < 0
I
mA
V
3
V
I
DC input voltage
–0.5 to +7.0
–0.5 to +7.0
120
3
V
DC output voltage
output in Off or High state
output in Low state
V
OUT
OUT
I
DC output current
mA
°C
T
stg
Storage temperature range
Power dissipation
–65 to +150
95
Θ
°C/W
JA
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
PARAMETER
UNIT
MIN
4.5
MAX
V
CC
DC supply voltage
5.5
V
V
V
IH
High-level input voltage
Low-level Input voltage
2.0
V
IL
0.8
V
T
amb
Operating free-air temperature range
0
+70
°C
3
2000 Sep 01
Philips Semiconductors
Product specification
16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged
outputs and Schottky undershoot protection for live insertion
CBT6832E
DC ELECTRICAL CHARACTERISTICS
Over operating temperature range T
= 0°C to +70°C; V = 5 V ±10%; V
= 1.3 V to V , unless otherwise specified.
BIAS CC
amb
CC
LIMITS
SYMBOL
PARAMETER
Input HIGH voltage
TEST CONDITIONS
UNIT
1
MIN
2.0
TYP
MAX
V
IH
Guaranteed logic HIGH level
Guaranteed logic LOW level
V
V
V
IL
Input LOW voltage
Input HIGH current
Input LOW current
–0.5
0.8
±5
±5
I
IH
V
CC
V
CC
= 5.5 V, V = V
CC
µA
µA
IN
I
IL
= 5.5 V, V = GND
IN
A = 0 V or V MAX,
CC
I
High impedance output current
±1
µA
OZH
V
BIAS1
= V
= V MAX
BIAS2 CC
B = 0 V or V MAX,
CC
I
Low impedance output current
Input clamp voltage
–0.2
–2
mA
OZL
V
V
V
V
= V
= V MAX
BIAS1
BIAS2 CC
V
= 4.5 V; I = –18 mA
–0.7
5
–1.8
8
V
Ω
Ω
IK
CC
CC
CC
I
= 4.5 V; V = 0 V; I = 48 mA
I
I
2
r
on
Switch on resistance
= 4.5 V; V = 2.4 V; I = –15 mA
10
15
I
I
3
Capacitance (T
= +25°C; f = 1 MHz)
amb
C
Input capacitance
V = 0 V
4.5
8
pF
pF
pF
pF
pF
IN
I
C
C
B capacitance, switch off
V = 0 V
I
OFF B
OFF A
A capacitance, switch off
V = 0 V
I
13
21
34
C
Capacitance, switch on (one B)
Capacitance, both B channels enabled
V = 0 V
I
ON 1
ON 2
C
V = 0 V
I
Power supply
I
Quiescent supply current enabled
V
V
= 5.5 V; V = V or GND
100
2.5
µA
CC
CC
I
CC
= 5.5 V, one input at 3.4 V,
CC
5
∆I
Additional supply current per input pin
mA
CC
other inputs at V or GND
CC
NOTES:
1. All typical values are at V = 5 V, T
= +25°C ambient and maximum loading.
amb
CC
2. Measured by the voltage drop between the A and the B terminals at the indicated current through the switch.
On-state resistance is determined by the lowest voltage of the two (A or B) terminals.
3. These parameters are determined by device characterization, but is not production tested.
4. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
5. Per TTL driven input (V = 3.4 V, control inputs only); A and B pins do not contribute to I
.
I
CC
6. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency.
The A and B inputs generate no significant AC or DC currents as they transition. this parameter is not tested, but is guaranteed by design.
4
2000 Sep 01
Philips Semiconductors
Product specification
16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged
outputs and Schottky undershoot protection for live insertion
CBT6832E
AC CHARACTERISTICS
V
CC
= 5.0 V ±0.5 V; GND = 0 V C = 50 pF, R = 500 Ω
; L L
LIMITS
TYP
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
MAX
MIN
1
t
t
Propagation delay
A to B
PLH
PHL
Waveform 1
Waveform 2
Waveform 2
0.25
ns
t
Bus enable time
SEL to A, B
10
5
30
ns
25
PZH
t
PZL
t
Bus disable time
SEL to A, B
0.5
0.5
6
7
PHZ
ns
t
PLZ
NOTE:
1. This parameter is warranted but not production tested. The propagation delay is based on the RC time constant of the typical on-state
resistance of the switch and a load capacitance of 50 pF, when driven by an ideal voltage source (zero output impedance).
AC WAVEFORMS
TEST CIRCUIT AND WAVEFORMS
V
= 1.5 V, V = GND to 3.0 V
M
IN
7 V
3 V
0 V
500 Ω
S1
From Output
Under Test
Open
GND
1.5V
1.5V
INPUT
500 Ω
C
= 50 pF
L
t
t
PHL
PLH
Load Circuit
V
V
OH
1.5V
1.5V
TEST
S1
OUTPUT
t
pd
open
7 V
OL
t
/t
PLZ PZL
SA00028
t
/t
open
PHZ PZH
Waveform 1. Input (An) to Output (Bn) Propagation Delays
DEFINITIONS
C
=
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
L
3V
Output Control
(Low-level
enabling
1.5 V
1.5 V
SA00012
0V
t
t
PLZ
PZL
2.3V
Output
Waveform 1
S1 at 7 V
1.2 V
1.2 V
V
V
+ 0.3V
– 0.3V
OL
(see Note)
V
V
OL
t
t
PHZ
PZH
OH
Output
Waveform 2
S1 at Open
(see Note)
OH
0V
Note:
Waveform 1 is for an output with internal conditions such that
the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that
the output is high except when disabled by the output control.
SA00530
Waveform 2. 3-State Output Enable and Disable Times
5
2000 Sep 01
Philips Semiconductors
Product specification
16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged
outputs and Schottky undershoot protection for live insertion
CBT6832E
TSSOP56: plastic thin shrink small outline package; 56 leads; body width 6.1 mm
SOT364-1
6
2000 Sep 01
Philips Semiconductors
Product specification
16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged
outputs and Schottky undershoot protection for live insertion
CBT6832E
NOTES
7
2000 Sep 01
Philips Semiconductors
Product specification
16-bit controlled enable rate 1-of-2 multiplexer/demultiplexer with precharged
outputs and Schottky undershoot protection for live insertion
CBT6832E
Data sheet status
[1]
Data sheet
status
Product
status
Definition
Objective
specification
Development
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
Preliminary
specification
Qualification
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make changes at any time without notice in order to
improve design and supply the best possible product.
Product
specification
Production
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended
periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or
modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Righttomakechanges—PhilipsSemiconductorsreservestherighttomakechanges, withoutnotice, intheproducts, includingcircuits,standard
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Copyright Philips Electronics North America Corporation 2000
All rights reserved. Printed in U.S.A.
Sunnyvale, California 94088–3409
Telephone 800-234-7381
Date of release: 09-00
Document order number:
9397 750 07485
Philips
Semiconductors
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