IDTCV149PA IDT, Integrated Device Technology Inc, IDTCV149PA Datasheet - Page 2
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IDTCV149PA
Manufacturer Part Number
IDTCV149PA
Description
IC FLEXPC CLK PROGR K8 56-TSSOP
Manufacturer
IDT, Integrated Device Technology Inc
Series
FlexPC™r
Type
PC Clockr
Datasheet
1.IDTCV149PA8.pdf
(17 pages)
Specifications of IDTCV149PA
Input
Crystal
Output
Clock
Frequency - Max
400MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-TSSOP
Frequency-max
400MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
CV149PA
PIN CONFIGURATION
NOTES:
1. Internal 130KΩ pull-down resistor.
2. Tristate at power on to be compatible with ATI pin definition.
IDTCV149
PROGRAMMABLE FLEXPC™ CLOCK FOR AMD K8 PROCESSOR ATI RS480
(1)
SEL24/24_48#
(1)
(2)
CLK_STOP
CLKREQ0#
CLKREQ1#
(2)
V
V
V
TURBO1
RESET#
DD
SS
DD
USB_48
SRCC7
SRCC6
SRCC5
SRCC4
SRCC3
SRCC2
SRCT7
SRCT6
SRCT5
SRCT4
SRCT3
SRCT2
V
V
XOUT
_
_
_
DD
SS
SRC
SRC
SRC
SDA
SCL
_48
XIN
_48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
SSOP/ TSSOP
TOP VIEW
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
V
V
REF0
REF2
V
PCI0
V
V
V
CPUT0
CPUC0
V
V
CPUT1
CPUC1
V
V
IREF
V
V
SRCT0
SRCC0
V
V
SRCT1
SRCC1
REF1
HTT66
DD
DD
DD
DD
DD
SS
SS
DD
SS
SS
DDA
SSA
SS
SS
_REF
_PC1
_PCI
_HTT
_CPU
_SRC
_SRC
_REF
_HTT
_CPU
_SRC
_SRC
2
CPU AND SRC SPREAD SPECTRUM
MAGNITUDE CONTROL
PCI (BASED ON SRC = 100MHz)
SE SIGNAL STRENGTH SELECTION
Str[1:0]
00
01
10
11
SMC[2:0]
PCIS[1:0]
000
001
010
011
100
101
110
111
00
01
10
11
Strength
0.6x
0.8x
1x
1.2x
COMMERCIAL TEMPERATURE RANGE
±0.125
±0.375
±0.25
- 0.25
- 0.75
33.33
36.36
OFF
- 0.5
±0.5
30.77
PCI
%
40