MPC9448AC IDT, Integrated Device Technology Inc, MPC9448AC Datasheet - Page 8

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MPC9448AC

Manufacturer Part Number
MPC9448AC
Description
IC CLK FAN BUFF MUX 1:12 32LQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Fanout Buffer (Distribution), Multiplexerr
Datasheet

Specifications of MPC9448AC

Number Of Circuits
1
Ratio - Input:output
1:12
Differential - Input:output
Yes/No
Input
LVCMOS, LVPECL
Output
LVCMOS
Frequency - Max
350MHz
Voltage - Supply
2.375 V ~ 3.465 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-LQFP
Frequency-max
350MHz
Number Of Clock Inputs
2
Output Frequency
350MHz
Output Logic Level
LVCMOS
Operating Supply Voltage (min)
2.375V
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.465V
Package Type
TQFP
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Signal Type
LVCMOS/LVPECL
Mounting
Surface Mount
Pin Count
32
Quiescent Current
2mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
800-2011
MPC9448ACIDT

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IDT™ / ICS™ LVCMOS 1:12 CLOCK FANOUT BUFFER
MPC9448
3.3V/2.5V LVCMOS 1:12 CLOCK FANOUT BUFFER
requirements, and
Figure
Using 2S2P boards will result in a lower thermal impedance
than indicated below.
Table 10. Thermal Package Impedance of the 32ld LQFP
Figure 7. Maximum MPC9448 Frequency, V
Convection, LFPM
T
J,MAX
Figure 9. No maximum Frequency Limitation for
Terminated Transmission Lines, 2s2p Board
100 lfpm
200 lfpm
300 lfpm
400 lfpm
500 lfpm
10. The R
MTBF 9.1 Years, Driving Series Terminated
Still air
V
CC
should be selected according to the MTBF system
= 3.3 V, MTBF 4 Years, Driving Series
transmission lines, 2s2p board
thja
Figure 9
represent data based on 1S2P boards.
R
thja
(1P2S board),
R
°C/W
thja
86
76
71
68
66
60
can be derived from
R
thja
(2P2S board),
CC
°C/W
61
56
54
53
52
49
= 3.3 V,
8
becomes the upper clock speed limit for the given application
conditions. The following eight derating charts describe the
safe frequency operation range for the MPC9448. The charts
were calculated for a maximum tolerable die junction
temperature of 110°C (120°C), corresponding to an
estimated MTBF of 9.1 years (4 years), a supply voltage of
3.3 V and series terminated transmission line or capacitive
loading. Depending on a given set of these operating
conditions and the available device convection, a decision on
the maximum operating frequency can be made.
Figure 10. Maximum MPC9448 Frequency, V
Figure 8. Maximum MPC9448 frequency, V
If the calculated maximum frequency is below 350 MHz, it
MTBF 9.1 Years, 4 pF Load per Line, 2s2p Board
MTBF 4 Years, 4 pF Load per Line, 2s2p Board
MPC9448
REV 6 JULY 11, 2006
CC
CC
= 3.3 V,
= 3.3 V,

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