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PDF CBT3861 Data sheet ( Hoja de datos )
| Número de pieza | CBT3861 | |
| Descripción | 10-bit bus switch | |
| Fabricantes | NXP Semiconductors | |
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DataSheet.in
CBT3861
10-bit bus switch with output enable
Rev. 1 — 19 August 2010
Product data sheet
1. General description
The CBT3861 provides ten bits of high-speed TTL-compatible bus switching. The low
ON resistance of the switch allows connections to be made with minimal propagation
delay.
The CBT3861 device is organized as one 10-bit bus switches with one output enable (OE)
input. When OE is LOW, the switch is on and port A is connected to the B port. When OE
is HIGH, each switch is disabled.
The CBT3861 is characterized for operation from −40 °C to +85 °C.
2. Features and benefits
5 Ω switch connection between two ports
TTL-compatible control input levels
Multiple package options
Latch-up protection exceeds 100 mA per JESD78
ESD protection:
HBM JESD22-A114F exceeds 2000 V
CDM JESD22-C101C exceeds 1000 V
3. Ordering information
Table 1. Ordering information
Type
number
Package
Temperature
range
Name
Description
CBT3861PW −40 °C to +85 °C TSSOP24 plastic thin shrink small outline package; 24 leads;
body width 4.4 mm
CBT3861DK −40 °C to +85 °C SSOP24[1] plastic shrink small outline package; 24 leads; body
width 3.9 mm; lead pitch 0.635 mm
CBT3861BQ −40 °C to +85 °C
DHVQFN24 plastic dual in-line compatible thermal enhanced very thin
quad flat package; no leads; 24 terminals;
body 3.5 × 5.5 × 0.85 mm
[1] Also known as QSOP24 package
Version
SOT355-1
SOT556-1
SOT815-1
1 page  
DataSheet.in
NXP Semiconductors
CBT3861
10-bit bus switch with output enable
Table 6. Static characteristics …continued
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
RON ON resistance
VCC = 4.5 V; VI = 0 V; II = 64 mA
VCC = 4.5 V; VI = 0 V; II = 30 mA
VCC = 4.5 V; VI = 2.4 V; II = −15 mA
Tamb = −40 °C to +85 °C
Min Typ[1] Max
Unit
[3] - 5 7 Ω
[3] - 5 7 Ω
[3] -
10 15 Ω
[1] All typical values are at VCC = 5 V, Tamb = 25 °C.
[2] This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
[3] Measured by the voltage drop between the nAn and the nBn terminals at the indicated current through the switch. ON resistance is
determined by the lowest voltage of the two (nAn or nBn) terminals.
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 7.
Symbol Parameter
Conditions
Tamb = 25 °C
Min Typ Max
tpd propagation delay An, Bn to Bn, An; [1][2]
see Figure 5
ten enable time
VCC = 5.0 V ± 0.5 V
-
OE to An or Bn;
[2]
see Figure 6
- 0.25
tdis disable time
VCC = 5.0 V ± 0.5 V
- 3.3 -
OE to An or Bn;
[2]
see Figure 6
VCC = 5.0 V ± 0.5 V
- 3.4 -
Tamb = −40 °C to +85 °C Unit
Min Max
- 0.25 ns
1.6 7.5 ns
2.1 6.6 ns
[1] The propagation delay is the calculated RC time constant of the typical ON resistance of the switch and the specified load capacitance,
when driven by an ideal voltage source (zero output impedance).
[2] tpd is the same as tPLH and tPHL.
ten is the same as tPZL and tPZH.
tdis is the same as tPLZ and tPHZ.
CBT3861
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 19 August 2010
© NXP B.V. 2010. All rights reserved.
5 of 14
5 Page 
DataSheet.in
NXP Semiconductors
14. Abbreviations
Table 10. Abbreviations
Acronym
Description
CDM
Charged Device Model
ESD
ElectroStatic Discharge
HBM
Human Body Model
PRR
Pulse Rate Repetition
TTL Transistor-Transistor Logic
15. Revision history
Table 11. Revision history
Document ID
Release date
CBT3861 v.1
20100819
Data sheet status
Product data sheet
CBT3861
10-bit bus switch with output enable
Change notice
-
Supersedes
-
CBT3861
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 19 August 2010
© NXP B.V. 2010. All rights reserved.
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