87946AYI-147 IDT, Integrated Device Technology Inc, 87946AYI-147 Datasheet - Page 8

• Manufacturer Part Number: 87946AYI-147
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Dividerr

Specifications of 87946AYI-147

• Number Of Clock Inputs: 2
• Mode Of Operation: Single-Ended
• Output Frequency: 250MHz
• Output Logic Level: LVCMOS/LVTTL
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Package Type: LQFP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: LVCMOS/LVTTL
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Not Compliant

ICS87946I-147 Data Sheet
Parameter Measurement Information
3.3V Core/3.3V Output Load AC Test Circuit
Output Skew
Bank Skew
ICS87946AYI-147 REVISION A AUGUST 7, 2009
QX0:QXx
QX0:QXx
V
V
V
V
-1.65V±0.15V
Qx
Qy
1.65V±0.15V
GND
DD,
DDA,
DDB,
DDC
LVCMOS
Where X = Bank A, B or C
V
tsk(b)
DDO
2
V
DDO
2
V
tsk(o)
DDx
2
V
DDx
2
Qx
SCOPE
8
3.3V Core/2.5V Output Load AC Test Circuit
Part-to-Part Skew
Multiple Frequency Skew
QBx, QCx
2.05V± 5%
LVCMOS
Qx
Qy
V
QAx
DD
Part 1
Part 2
V
V
-1.25V± 5%
DDA,
DDB,
1.25V± 5%
GND
V
V
DDO
LOW SKEW, ÷1, ÷2 LVCMOS/LVTTL CLOCK GENERATOR
DDC
2
V
DDO
2
tsk(pp)
tsk(ω)
©2009 Integrated Device Technology, Inc.
Qx
SCOPE