954204BGLFT Integrated Device Technology (Idt), 954204BGLFT Datasheet - Page 15

• Manufacturer Part Number: 954204BGLFT
• Description: PLL Clock Synthesizer Dual 56-Pin TSSOP T/R
• Manufacturer: Integrated Device Technology (Idt)
• Type: PLL Clock Synthesizerr

Specifications of 954204BGLFT

• Package: 56TSSOP
• Number Of Elements Per Chip: 2
• Output Frequency Range: 33.33 to 400 MHz
• Operating Temperature: 0 to 70 °C
• Operating Supply Voltage: 3.3 V

0933D—03/16/05
Table 5: PCI_STOP# Functionality
Table 6: PD Functionality
Table 7: Tristate CPU Clock Control Truth Table
Table 8: Tristate SRC Clock Control Truth Table
Table 9: Tristate DOT Clock Control Truth Table
Table10: CLKREQ# Clock Control Truth Table
PCI_STOP#
CPU[2:0]
CPU[2:0]
CPU[2:0]
CPU[2:0]
CPU[2:0]
Signal
Signal
SRC
SRC
SRC
SRC
SRC
DOT_96
DOT_96
DOT_96
Signal
PD
Signal
0
1
0
1
SRC
SRC
SRC
SRC
SRC
Integrated
Circuit
Systems, Inc.
Iref*2 or Float
PD
PD
10
10
0
0
0
1
1
0
0
0
1
1
Normal
Normal
Normal
CPU
CPU
PCI/SRC_STOP#
PD
10
1
0
1
PD
10
CPU_STOP#
0
0
0
0
1
Normal
Normal
Normal
CPU#
CPU#
Float
54
55
X
X
X
X
1
0
0
1
0
0
PCI/SRC_STOP#
PD Tristate BIT
Iref*6 or Float
Iref*2 or Float
Normal
Normal
PCI/SRC_STOP
B4b6
55
SRC
SRC
X
1
1
0
0
Tristate BIT
Tristate BIT
CPU_STOP
X
0
1
B5b[6, 5, 4]
B5b7
X
X
X
X
X
X
0
1
0
1
Normal
Normal
SRC#
SRC#
Float
Low
STOPPABLE OUTPUTS
CLKREQA#
CLKREQB#
Driven @ I
PD Tristate BIT
PD Tristate BIT
33, 32
15
B5b[2,1,0]
X
0
1
0
1
Running
Tristate
B5b3
PCIF/PCI
PCIF/PCI
X
X
X
X
X
X
1
0
1
0
33MHz
33MHz
Low
Low
REF
X2
SELECTED OUTPUTS
Stopped per B5b7
Stopped per B5b3
Iref*2 or Float
Driven @ I
Driven @ I
Normal
Normal
Normal
DOT
DOT
NON-STOP
NON-STOP
OUTPUTS
OUTPUTS
Running
Tristate
Tristate
Running
Running
Running
Running
Running
Running
Tristate
Tristate
REF
REF
Normal
Normal
X2
X2
DOT#
DOT#
Float
Low
STOPPABLE OUTPUTS
STOPPABLE OUTPUTS
Driven @ IREF X6
Driven @ I
Driven @ I
Driven @ I
48MHz
48MHz
48MHz
USB
USB
Running
Running
Low
Tristate
Tristate
Tristate
Tristate
ICS954204
REF
REF
REF
X6
X2
X2
14.318MHz
14.318MHz
14.318MHz
REF
REF
Low