PCA9549 Просмотр технического описания (PDF) - NXP Semiconductors.
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PCA9549 Datasheet PDF : 25 Pages
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NXP Semiconductors
PCA9549
Octal bus switch with individually I2C-bus controlled enables
3. Ordering information
Table 1. Ordering information
Type number Package
Name
Description
PCA9549D
SO24
plastic small outline package; 24 leads;
body width 7.5 mm
PCA9549PW
TSSOP24 plastic thin shrink small outline package; 24 leads;
body width 4.4 mm
PCA9549BS
HVQFN24 plastic thermal enhanced very thin quad flat package;
no leads; 24 terminals; body 4 × 4 × 0.85 mm
Version
SOT137-1
SOT355-1
SOT616-1
3.1 Ordering options
Table 2. Ordering options
Type number Topside mark
PCA9549D
PCA9549D
PCA9549PW PCA9549
PCA9549BS 9549
Temperature range
−40 °C to +85 °C
−40 °C to +85 °C
−40 °C to +85 °C
4. Block diagram
PCA9549
1A
1B
2A
2B
3A
3B
4A
4B
5A
5B
6A
6B
7A
7B
8A
8B
VSS
VDD
RESET
RESET
CIRCUIT
SWITCH CONTROL LOGIC
SCL
INPUT
I2C-BUS
A0
SDA
FILTER
CONTROL
A1
A2
PCA9549_2
Product data sheet
Fig 1. Block diagram
Rev. 02 — 13 July 2009
002aaa991
© NXP B.V. 2009. All rights reserved.
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