GTL2009PW NXP Semiconductors, GTL2009PW Datasheet - Page 4

• Manufacturer Part Number: GTL2009PW
• Description: Comparator ICs 3-BIT FSB FREQ CMPR
• Manufacturer: NXP Semiconductors

Specifications of GTL2009PW

• Number Of Channels: 3 Channels
• Comparator Type: Magnitude
• Product: Digital Comparators
• Output Type: Complementary
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Supply Current (max): 10 mA
• Maximum Operating Temperature: 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-403
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: GTL2009PW,112

Philips Semiconductors
7. Functional description
9397 750 13556
Product data sheet
7.1 Function tables
Refer to
Table 4:
Table 5:
Default on start-up is 101
Table 6:
Table 7:
BSEL3
H
L
L
L
L
H
H
H
Processor A FSB
A
A < B
not occupied
A
A = B
Processor A FSB
A > B
A < B
A = B
Pin 1AI
A-occupied
L
H
L
H
B
Figure 1 “Functional diagram of
FSB frequency selection
FSB frequency comparison
FSB the same output
FSB processor A greater than or equal to processor B output
yes
no
yes
no
BSEL2
L
L
H
H
L
L
H
H
Rev. 01 — 22 September 2005
Pin 2AI
B-occupied
L
L
H
H
Processor B FSB
A > B
A < B
A = B
BSEL1
H
H
H
L
L
L
L
H
Processor B FSB
A
A < B
B
not occupied
A = B
B
yes
yes
no
no
3-bit GTL Front-Side Bus frequency comparator
FSB
100 MHz
133 MHz
166 MHz
200 MHz
266 MHz
333 MHz
400 MHz
reserved
GTL2009”.
Compare
A frequency = B frequency
no
no
yes
Compare
A frequency > B frequency
no
yes
X
X
X
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Pins BO1/BO2/BO3
Common FSB frequency
B
A
B
A
A or B
GTL2009
Pin AO1
L
L
H
Pin AO2
L
H
H
L
H
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