87946AYI-147 IDT, Integrated Device Technology Inc, 87946AYI-147 Datasheet - Page 3

• 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
Function Tables
Table 3. Clock Input Function Table
Absolute Maximum Ratings
NOTE: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device.
These ratings are stress specifications only. Functional operation of product at these conditions or any conditions beyond
those listed in the DC Characteristics or AC Characteristics is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect product reliability.
DC Electrical Characteristics
Table 4A. Power Supply DC Characteristics, V
ICS87946AYI-147 REVISION A AUGUST 7, 2009
Item
Supply Voltage, V
Inputs, V
Outputs, V
Package Thermal Impedance, θ
Storage Temperature, T
Symbol
V
V
I
I
DD
DDA
DD
DDA,
MR/nOE
, I
V
DDB
1
0
0
0
0
0
0
DDB,
I
, I
O
DDC
V
DDC
DD
DIV_SELA
Parameter
Positive Supply Voltage
Output Supply Voltage
Power Supply Current
Output Supply Current
X
0
1
X
X
X
X
STG
Inputs
JA
DIV_SELB
X
X
X
0
1
X
X
DIV_SELC
DD
= V
X
X
X
X
X
0
1
Test Conditions
DDA
= V
DDB
3
High-Impedance
QA0:QA2
= V
Rating
4.6V
-0.5V to V
-0.5V to V
47.9°C/W (0 lfpm)
-65°C to 150°C
Active
Active
Active
Active
f
f
IN
IN
DDC
/1
/2
= 3.3V ± 0.3V, T
DD
DDX
+ 0.5V
LOW SKEW, ÷1, ÷2 LVCMOS/LVTTL CLOCK GENERATOR
+ 0.5V
Minimum
3.0
3.0
High-Impedance
QB0:QB2
Outputs
Active
Active
Active
Active
A
f
f
IN
IN
= -40°C to 85°C
/1
/2
Typical
©2009 Integrated Device Technology, Inc.
3.3
3.3
Maximum
High-Impedance
3.6
3.6
55
23
QC0:QC3
Active
Active
Active
Active
f
f
IN
IN
/1
/2
Units
mA
mA
V
V