MPC9850 datasheet(6/12 Pages) FREESCALE

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Advanced Clock Drivers Devices

Freescale Semiconductor

MPC9850

Table 8. LVDS DC Characteristics (TA = –40°C to 85°C)

Symbol

Characteristics

Min

Typ

Max

Unit

Condition

Differential LVDS Clock Outputs (QC0, QC0 and QC1, QC1) for VDD = 3.3 V ± 5%

VPP

Output Differential Voltage(1) (peak-to-peak)

(LVDS)

1. VPP is the minimum differential input voltage swing required to maintain AC characteristics including tPD and device-to-device skew.

100

400

VOS

Output Offset Voltage

(LVDS)

1050

1600

Table 9. LVPECL DC Characteristics (TA = –40°C to 85°C)(1)

1. AC characteristics are design targets and pending characterization.

Symbol

Characteristics

Min

Typ

Max

Unit

Condition

Differential LVPECL Clock Inputs (CLK1, CLK1) for VDD = 3.3 V ± 0.5%

VPP

Differential Voltage(2) (peak-to-peak)

(LVPECL)

2. VPP is the minimum differential input voltage swing required to maintain AC characteristics including tPD and device-to-device skew.

250

VCMR

Differential Input Crosspoint Voltage(3)

(LVPECL)

3. VCMR (AC) is the crosspoint of the differential input signal. Normal AC operation is obtained when the crosspoint is within the VCMR (AC)

range and the input swing lies within the VPP (AC) specification. Violation of VCMR (AC) or VPP (AC) impacts the device propagation delay,

device and part-to-part skew.

1.0

VDD – 0.6

Table 10. LVCMOS I/O DC Characteristics (TA = –40°C to 85°C)

Symbol

Characteristics

Min

Typ

Max

Unit

Condition

LVCMOS for VDD = 3.3 V ± 5%

VIH

Input High Voltage

2.0

VDD + 0.3

LVCMOS

VIL

Input Low Voltage

0.8

LVCMOS

IIN

Input Current(1)

1. Inputs have pull-down resistors affecting the input current.

± 200

µAVIN = VDDL or GND

LVCMOS for VDD = 3.3 V ±5%, VDDOA = 3.3 V ± 5 and VDDOB = 3.3 V ± 5%

VOH

Output High Voltage

2.4

IOH = –24 mA

VOL

Output Low Voltage

0.5

IOL = 24 mA

ZOUT

Output Impedance

14 – 17

Ω

LVCMOS for VDD = 3.3 V ±5%, VDDOA = 2.5 V ± 5% and VDDOB= 2.5 V ± 5%

VOH

Output High Voltage

1.9

IOH = –15 mA

VOL

Output Low Voltage

0.4

IOL = 15 mA

ZOUT

Output Impedance

18 – 22

Ω

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