Philips CBT3251 Technical data
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CBT3251 |
INTEGRATED CIRCUITS |
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CBT3251
1-of-8 FET multiplexer/demultiplexer
Preliminary data |
2002 Sep 09 |
P s
on o s
Philips Semiconductors |
Preliminary data |
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1-of-8 FET multiplexer/demultiplexer |
CBT3251 |
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FEATURES
•5 Ω switch connection between two ports
•TTL-compatible input levels
•Minimal propagation delay through the switch
•ESD protection exceeds 2000 V HBM per JESD22-A114,
200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
•Latch-up testing is done to JESDEC Standard JESD78 which exceeds 100 mA
DESCRIPTION
The CBT3251 is a 1-of-8 high-speed TTL-compatible FET multiplexer/demultiplexer. The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise.
When output enable (OE) is low, the CBT3251 is enabled. S0, S1, and S2 select one of the B outputs for the A-input data.
The CBT3251 is characterized for operation from ±40 to +85°C.
PIN CONFIGURATION
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B4 |
1 |
16 |
VCC |
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B3 |
2 |
15 |
B5 |
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B2 |
3 |
14 |
B6 |
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B1 |
4 |
13 |
B7 |
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A |
5 |
12 |
B8 |
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NC |
6 |
11 |
S0 |
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7 |
10 |
S1 |
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OE |
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GND |
8 |
9 |
S2 |
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SA00570 |
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PIN DESCRIPTION
PIN NUMBER |
SYMBOL |
NAME AND FUNCTION |
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1, 2, 3, |
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4, 12, |
B1, B2, B3, B4, |
B outputs |
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13, 14, |
B5, B6, B7, B8 |
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15 |
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5 |
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A |
A input |
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6 |
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NC |
No internal connection |
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7 |
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Output enable |
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OE |
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8 |
GND |
Ground (0 V) |
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9, 10, 11 |
S0, S1, S2 |
Select-control input |
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16 |
VCC |
Positive supply voltage |
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ORDERING INFORMATION
PACKAGES |
TEMPERATURE RANGE |
ORDER CODE |
TOPSIDE MARK |
DWG NUMBER |
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16-pin plastic SOIC |
±40 to 85 °C |
CBT3251D |
CBT3251D |
SOT109-1 |
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16-pin plastic SSOP |
±40 to 85 °C |
CBT3251DB |
CT3251 |
SOT338-1 |
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16-pin plastic SSOP (QSOP) |
±40 to 85 °C |
CBT3251DS |
CBT3251 |
SOT519-1 |
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16-pin plastic TSSOP |
±40 to 85 °C |
CBT3251PW |
CBT3251 |
SOT403-1 |
Standard packing quantities and other packaging data is available at www.philipslogic.com/packaging.
2002 Sep 09 |
2 |
Philips Semiconductors |
Preliminary data |
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1-of-8 FET multiplexer/demultiplexer |
CBT3251 |
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LOGIC DIAGRAM (positive logic)
A |
5 |
4 |
B1 |
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3 B2
2
B3
1 B4
15
B5
14
B6
13
B7
12
B8
7
OE
11
S0
10
S1
9
S2
SA00636
FUNCTION TABLE
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INPUTS |
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FUNCTION |
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OE |
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S2 |
S1 |
S0 |
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L |
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L |
L |
L |
A port = B1 port |
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L |
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L |
L |
H |
A port = B2 port |
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L |
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L |
H |
L |
A port = B3 port |
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L |
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L |
H |
H |
A port = B4 port |
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L |
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H |
L |
L |
A port = B5 port |
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L |
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H |
L |
H |
A port = B6 port |
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L |
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H |
H |
L |
A port = B7 port |
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L |
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H |
H |
H |
A port = B8 port |
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H |
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X |
X |
X |
Disconnect |
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2002 Sep 09 |
3 |
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