MCF5373CAB180 datasheet(17/46 Pages) NXP

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Electrical Characteristics

MCF537x ColdFire® Microprocessor Data Sheet, Rev. 4

Freescale Semiconductor

5.5

Oscillator and PLL Electrical Characteristics

SDRAM and FlexBus Output Low Voltage

Mobile DDR/Bus Input High Voltage (nominal 1.8V)

DDR/Bus Pad Supply Voltage (nominal 2.5V)

SDR/Bus Pad Supply Voltage (nominal 3.3V)

IOL = 5.0 mA for all modes

SDVOL

—

0.3

0.5

Input Leakage Current

Vin = VDD or VSS, Input-only pins

Iin

−1.0

1.0

μA

Weak Internal Pull-Up Device Current, tested at VIL Max.

IAPU

−10

−130

μA

Input Capacitance 2

All input-only pins

All input/output (three-state) pins

Cin

—

Refer to the signals section for pins having weak internal pull-up devices.

This parameter is characterized before qualification rather than 100% tested.

Table 8. PLL Electrical Characteristics

Num

Characteristic

Symbol

Min.

Value

Max.

Value

Unit

PLL Reference Frequency Range

Crystal reference

External reference

fref_crystal

fref_ext

251

401

MHz

Core frequency

CLKOUT Frequency2

fsys

fsys/3

488 x 10−6

163 x 10−6

240

MHz

Crystal Start-up Time3, 4

tcst

—10

EXTAL Input High Voltage

Crystal Mode5

All other modes (External, Limp)

VIHEXT

VXTAL + 0.4

EVDD/2 + 0.4

—

EXTAL Input Low Voltage

Crystal Mode5

All other modes (External, Limp)

VILEXT

—

VXTAL – 0.4

EVDD/2 – 0.4

PLL Lock Time 3, 6

tlpll

—

50000

CLKIN

Duty Cycle of reference 3

tdc

XTAL Current

IXTAL

Total on-chip stray capacitance on XTAL

CS_XTAL

1.5

Total on-chip stray capacitance on EXTAL

CS_EXTAL

1.5

Crystal capacitive load

See crystal

spec

Discrete load capacitance for XTAL

CL_XTAL

2*CL –

CS_XTAL –

CPCB_XTAL

Table 7. DC Electrical Specifications (continued)

Characteristic

Symbol

Min

Max

Unit

MCF5373CAB180 Datasheet(PDF) 17 Page - NXP Semiconductors

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