83948AYI-147LF IDT, Integrated Device Technology Inc, 83948AYI-147LF Datasheet - Page 2

• Manufacturer Part Number: 83948AYI-147LF
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Driverr

Specifications of 83948AYI-147LF

• Number Of Clock Inputs: 2
• Output Frequency: 350MHz
• Output Logic Level: LVCMOS/LVTTL
• Operating Supply Voltage (min): 2.375V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.465V
• Package Type: LQFP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Compliant

Table 1. Pin Descriptions
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Function Tables
Table 3A. Clock Select Function Table
IDT™ / ICS™ LVCMOS/LVTTL CLOCK GENERATOR
Symbol
C
R
R
C
R
20, 24, 28, 32
Control Input
ICS83948I-147
LOW SKEW, 1-TO-12 DIFFERENTIAL-TO-LVCMOS/LVTTL FANOUT BUFFER
15, 17, 19,
21, 23, 25,
10, 14, 18,
IN
PULLUP
PULLDOWN
PD
OUT
27, 29, 31
22, 26, 30
8, 12, 16,
9, 11, 13,
Number
1
2
3
4
5
6
7
0
1
Parameter
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
Power Dissipation Capacitance
(per output)
Output Impedance
LVCMOS_CLK
Q11, Q10, Q9,
Clock
CLK/nCLK inputs selected
LVCMOS_CLK input selected
Q8, Q7, Q6,
Q5, Q4, Q3,
Q2, Q1, Q0
CLK_SEL
CLK_EN
Name
nCLK
GND
CLK
V
V
OE
DD
DD
Output
Power
Power
Power
Input
Input
Input
Input
Input
Input
Type
Pulldown
Pullup
Pullup
Pullup
Pullup
Pullup
Test Conditions
Description
Clock select input. When HIGH, selects LVCMOS_CLK input.
When LOW, selects CLK/nCLK inputs. LVCMOS / LVTTL interface levels.
Single-ended clock input. LVCMOS/LVTTL interface levels.
Non-inverting differential clock input.
Inverting differential clock input.
Clock enable pin. LVCMOS/LVTTL interface levels.
Output enable pin. When LOW, outputs are in an High-impedance state.
when HIGH, outputs are active. LVCMOS/LVTTL interface levels.
Power supply pin.
Power supply ground.
Single-ended clock outputs. LVCMOS/LVTTL interface levels.
Output supply pins.
2
Minimum
5
ICS83948AYI-147 REV. D APRIL 8, 2009
Typical
51
51
12
4
7
Maximum
12
Units
k
k
pF
pF
Ω
Ω
Ω