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CBT6800 Datasheet(PDF) 2 Page - NXP Semiconductors

No. de Pieza. CBT6800
Descripción  10-bit bus switch with precharged outputs for live insertion
Descarga  8 Pages
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Fabricante  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
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CBT6800 Datasheet(HTML) 2 Page - NXP Semiconductors

   
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Philips Semiconductors
Product specification
CBT6800
10-bit bus switch with precharged outputs
for live insertion
2
1999 Oct 28
853–2182 22598
FEATURES
5 Ω switch connection between two ports
TTL compatible input and output levels
Outputs are precharged by bias voltage to minimize signal
distortion during live insertion
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
DESCRIPTION
The CBT6800 provides ten bits of high-speed TTL-compatible bus
switching. The low on-state resistance of the switch allows
bi-directional connections to be made while adding near-zero
propagation delay. The device also precharges the B port to a
user-selectable bias voltage (BIASV) to minimize live-insertion noise.
The CBT6800 is organized as one 10-bit switch with a single enable
(ON) input. When ON is low, the switch is on and port A is
connected to port B. When ON is high, the switch between port A
and port B is open and the B port is precharged to BIASV through
the equivalent of a 10 k
Ω resistor.
The CBT6800 is characterized for operation from –40
°C to 85°C.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
Tamb = 25°C; GND = 0 V
TYPICAL
UNIT
tPLH
tPHL
Propagation delay
An to Bn or Bn to An
CL = 50 pF; VCC = 5 V
250
ps
CIN
Input capacitance – control pin
VI = 0 V or VCC
3.5
pF
COUT
Output capacitance – I/O pins
Outputs disabled; VO = 0 V or VCC
8.2
pF
ICCZ
Total supply current
Outputs disabled; VCC =5.5 V
1
µA
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
ORDER CODE
DWG NUMBER
24-Pin Plastic TSSOP Type I
–40
°C to +85°C
CBT6800 PW DH
SOT355–1
PIN CONFIGURATION
SA00505
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
GND
OE
Vcc
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
BIASV
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
OE
Output enable
13
BIASV
Precharge bias voltage input
2, 3, 4, 5, 6,
7, 8, 9, 10, 11
A1–A10
A-port I/O pins
23, 22, 21, 20, 19,
18, 17, 16, 15, 14
B1–B10
B-port I/O pins – with active pullup
12
GND
Ground (V)
24
VCC
Positive supply voltage


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