ICS952001AF IDT, Integrated Device Technology Inc, ICS952001AF Datasheet - Page 15

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ICS952001AF

Manufacturer Part Number
ICS952001AF
Description
IC TIMING CTRL HUB P4 48-SSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Timing Control Hubr
Datasheet

Specifications of ICS952001AF

Input
Crystal
Output
Clock
Frequency - Max
200MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-SSOP
Frequency-max
200MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
952001AF

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PCI_STOP# - Assertion (transition from logic "1" to logic "0")
CPU_STOP# - Assertion (transition from logic "1" to logic "0")
The impact of asserting the CPU_STOP# pin is all CPU outputs that are set in the I
assertion of CPU_STOP# are to be stopped after their next transition following the two CPU clock edge sampling as shown.
The final state of the stopped CPU signals is CPUT=High and CPUC=Low. There is to be no change to the output drive current
values. The CPUT will be driven high with a current value equal to (MULTSEL0) X (I REF), the CPUC signal will not be driven.
CPU_STOP# Functionality
Third party brands and names are the property of their respective owners.
The impact of asserting the PCI_STOP# signal will be the following. All PCI and stoppable PCI_F clocks will latch low in their
next high to low transition. The PCI_STOP# setup time tsu is 10 ns, for transitions to be recognized by the next rising edge.
C
P
U
Integrated
Circuit
Systems, Inc.
_
S
0
1
PCI_F 33MHz
T
PCI_STOP#
CPU_STOP#
O
PCI 33MHz
P
#
CPUC
CPUT
r i
f e
N
C
r o
P
*
U
m
M
T
l a
u
t l
tsu
Assertion of CPU_STOP# Waveforms
Assertion of PCI_STOP# Waveforms
N
C
F
r o
P
o l
U
m
t a
C
l a
2
C configuration to be stoppable via

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