LUPXA255A0E300 Intel, LUPXA255A0E300 Datasheet - Page 29

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LUPXA255A0E300

Manufacturer Part Number
LUPXA255A0E300
Description
IC MICRO PROCESSOR 300MHZ 256BGA
Manufacturer
Intel
Datasheets

Specifications of LUPXA255A0E300

Processor Type
XScale®
Speed
300MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Other names
867752

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4.6.2
Intel® PXA255 Processor Electrical, Mechanical, and Thermal Specification
Table 14. 3.6864-MHz Oscillator Specifications
Crystal Specifications - Typical is FOX HC49S
Amplifier Specifications
Board Specifications
COP_XP
Symbol
CIN_XP
RP_XP
CP_XP
To drive the 32.768-kHz crystal pins from an external source
3.6864 MHz Oscillator Specifications
The 3.6864-MHz oscillator is connected between the PXTAL (amplifier input) and PEXTAL
(amplified output).
IIN_XP
To drive the 3.6864-MHz crystal pins from an external source
VIH_X
tS_XP
VIL_X
ESR
F
P
XP
Drive the TEXTAL pin with a digital signal that has a low level near 0 volts and a high level
near VCC. Do not exceed VCC or go below VSS by more than 100 mV. The minimum slew
rate is 1 volt per 1 µs. The maximum current sourced by the external clock source when the
clock is at its maximum positive voltage should be approximately 1 mA.
Float the TXTAL pin or drive it complementary to the TEXTAL pin, with the same voltage
level, slew rate, and input current restrictions.
Drive the PEXTAL pin with a digital signal with a low level near 0 volts and a high level near
VCC. Do not exceed VCC or go below VSS by more than 100 mV. The minimum slew rate is
1 volt / 100 ns. The maximum current sourced by the external clock source when the clock is
at its maximum positive voltage should be approximately 1 mA.
Float the PXTAL pin or drive it complementary to the PXTAL pin, with the same voltage
level, slew rate, and input current restrictions. If floated, some degree of noise susceptibility
will be introduced in the system; therefore, it is not recommended.
Crystal Frequency, PXTAL/PEXTAL
Equivalent series resistance, PXTAL/PEXTAL
Drive Level
Input High Voltage, PXTAL
Input Low Voltage, PXTAL
Input Leakage, PXTAL
Input Capacitance, PXTAL/PEXTAL
Stabilization Time
Parasitic Resistance, PXTAL/PEXTAL to any node
Parasitic Capacitance, PXTAL/PEXTAL, total
Parasitic Shunt Capacitance, PXTAL to PEXTAL
Table 14
shows the 3.6864-MHz specifications.
Description
0.8*VCC
VSS
17.8
Min
50
20
Electrical Specifications
Typical
3.6864
40
-
0.2*VCC
VCC
Max
67.8
300
100
0.4
10
50
5
Units
MHz
MΩ
uW
ms
µA
pF
pF
pF
V
V
29

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