MPC9449 查看數據表（PDF） - Motorola => Freescale
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MPC9449 Datasheet PDF : 12 Pages
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MPC9449
Freescale Semiconductor, Inc.
Table 5: DC CHARACTERISTICS (VCC = 3.3V ± 5%, TA = –40°C to 85°C)
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
VIH
VIL
VOH
Input high voltage
Input low voltage
Output High Voltage
2.0
VCC + 0.3
V
LVCMOS
0.8
V LVCMOS
2.4
V
IOH=-24 mAa
VPP
Peak-to-peak input voltage
PCLK, PCLK
250
mV LVPECL
VCMRb Common Mode Range
PCLK, PCLK
1.0
VCC-0.6
V LVPECL
VOL
ZOUT
Output Low Voltage
Output impedance
14 - 17
0.55
V
IOL= 24 mA
0.30
V
IOL= 12 mA
W
IIN
Input Current
±200
µA VIN=VCC or GND
ICCQ Maximum Quiescent Supply Current
10
mA All VCC Pins
a The MPC9449 is capable of driving 50Ω transmission lines on the incident edge. Each output drives one 50Ω parallel terminated
transmission line to a termination voltage of VTT. Alternatively, the device drives up to two 50Ω series terminated transmission lines.
b VCMR (DC) is the crosspoint of the differential input signal. Functional operation is obtained when the crosspoint is within the VCMR range
and the input swing lies within the VPP (DC) specification.
Table 6: AC CHARACTERISTICS (VCC = 3.3V ± 5%, TA = –40°C to 85°C)a
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
VPP
Peak-to-peak input voltage
PCLK, PCLK
400
VCMRc
Common Mode Range
PCLK, PCLK
1.0
fmax
Output frequency
0
fref
Input Frequency
0
tP, REF
Reference Input Pulse Width
1.5
tr, tf
CCLK0, CCLK1 Input Rise/Fall Time
tsk(O)
Output-to-output Skew
Qa outputs
Qb outputs
Qc outputs
Qd outputs
same frequency
All outputs
different frequencies
All outputs
1000
VCC-0.6
200
200
1.0
50
50
50
100
200
300
mV
V
MHz
MHz
ns
ns
ps
ps
ps
ps
ps
ps
LVPECL
LVPECL
0.8 to 2.0V
tsk(PP) Device-to-device Skew
2.5
ns
tsk(P)
Output Pulse Skew
250
ps DCREF = 50%
tPLH, HL Propagation delay
CCLK0 or CCLK1 to any Q
1.0
3.0
5.0
ns
PCLK to any Q
1.0
3.0
5.0
ns
tPLZ, HZ Output Disable Time
OE to any Q
11
ns
tPZL, LZ
tr, tf
Output Enable Time
Output Rise/Fall Timec
OE to any Q
0.1
11
ns
1.0
ns 0.55 to 2.4V
tJIT(CC) Cycle-to-cycle jitter
RMS (1 σ)
TBD
ps
a AC characteristics apply for parallel output termination of 50Ω to VTT.
b VCMR (AC) is the crosspoint of the differential input signal. Normal AC operation is obtained when the crosspoint is within the VCMR range
and the input swing lies within the VPP (AC) specification. Violation of VCMR or VPP impacts propagation delay.
c An input rise/fall time greater than that specified may be used, but AC characteristics are not guaranteed under such a condition.
MOTOROLA
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