IDTICS83948AYI01 IDT, Integrated Device Technology Inc, IDTICS83948AYI01 Datasheet

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IDTICS83948AYI01

Manufacturer Part Number
IDTICS83948AYI01
Description
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock Driverr
Datasheet

Specifications of IDTICS83948AYI01

Number Of Clock Inputs
2
Output Frequency
150MHz
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
Mounting
Surface Mount
Pin Count
32
Quiescent Current
55mA
Lead Free Status / RoHS Status
Not Compliant
LVCMOS_CLK
G
can accept most standard differential input levels. The
LVCMOS_CLK can accept LVCMOS or LVTTL input levels.
The low impedance LVCMOS outputs are designed to drive
50
effective fanout can be increased from 12 to 24 by utilizing
the ability of the outputs to drive two series terminated lines.
The ICS83948I-01 is characterized at 3.3V core/3.3V output.
Guaranteed output and part-to-part skew characteristics make
the ICS83948I-01 ideal for those clock distribution applications
demanding well defined performance and repeatability.
B
83948AYI-01
HiPerClockS™
,&6
LOCK
ENERAL
CLK_SEL
CLK_EN
series or parallel terminated transmission lines. The
nCLK
CLK
OE
D
The ICS83948I-01 is a low skew, 1-to-12 Differ-
ential-to-LVCMOS Fanout Buffer and a member
of the HiPerClockS™ family of High Performance
Clock Solutions from ICS. The ICS83948I-01 has
two selectable clock inputs. The CLK, nCLK pair
IAGRAM
D
ESCRIPTION
1
0
D
Q
www.icst.com/products/hiperclocks.html
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
1
D
P
F
IFFERENTIAL
IN
12 LVCMOS outputs
Selectable LVCMOS clock or differential CLK, nCLK inputs
CLK, nCLK pair can accept the following differential
input levels: LVDS, LVPECL, LVHSTL, SSTL, HCSL
LVCMOS_CLK accepts the following input levels:
LVCMOS or LVTTL
Maximum output frequency: 150MHz
Output skew: 350ps (maximum)
Part to part skew: 1.5ns (maximum)
3.3V core, 3.3V output
-40°C to 85°C ambient operating temperature
Pin compatible with the MPC948/948L
EATURES
LVCMOS_CLK
A
CLK_SEL
CLK_EN
SSIGNMENT
nCLK
GND
CLK
V
OE
DD
-
7mm x 7mm x 1.4mm package body
TO
1
2
3
4
5
6
7
8
-LVCMOS F
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
ICS83948I-01
32-Lead LQFP
Y Package
Top View
ICS83948I-01
L
OW
REV. A OCTOBER 23, 2008
S
ANOUT
KEW
24
23
22
21
20
19
18
17
, 1-
B
TO
GND
Q4
V
Q5
GND
Q6
V
Q7
UFFER
DDO
DDO
-12

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IDTICS83948AYI01 Summary of contents

Page 1

G D ENERAL ESCRIPTION The ICS83948I- low skew, 1-to-12 Differ- ,&6 ential-to-LVCMOS Fanout Buffer and a member HiPerClockS™ of the HiPerClockS™ family of High Performance Clock Solutions from ICS. The ICS83948I-01 has two selectable clock inputs. The CLK, ...

Page 2

ABLE IN ESCRIPTIONS ...

Page 3

BSOLUTE AXIMUM ATINGS Supply Voltage Inputs Outputs Package Thermal Impedance, JA Storage Temperature, Tstg Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings ...

Page 4

ABLE HARACTERISTICS ...

Page 5

P ARAMETER 1.65V±0.15V V DD, V DDO LVCMOS GND -1.65V±0.15V V DD nCLK CLK GND 83948AYI-01 D IFFERENTIAL M I EASUREMENT NFORMATION Qx 3. UTPUT OAD EST IRCUIT V Cross Points IFFERENTIAL ...

Page 6

Qx Qy PART 1 Qx PART 2 Qy 0.8V Clock Outputs 83948AYI-01 D IFFERENTIAL V DDO 2 V DDO 2 tsk( UTPUT KEW V DDO 2 V DDO 2 tsk(pp ART TO ART KEW ...

Page 7

LVCMOS_CLK nCLK CLK Q0:Q11 Q0:Q11 83948AYI-01 D IFFERENTIAL DDO ROPAGATION ELAY V V DDO DDO PERIOD t PW odc = t PERIOD t & ...

Page 8

W D IRING THE IFFERENTIAL Figure 2 shows how the differential input can be wired to accept single ended levels. The reference voltage V_REF = V generated by the bias resistors R1, R2 and C1. This bias circuit should be ...

Page 9

ABLE VS IR LOW ABLE JA Single-Layer PCB, JEDEC Standard Test Boards Multi-Layer PCB, JEDEC Standard Test Boards NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to ...

Page 10

ACKAGE UTLINE UFFIX ABLE ACKAGE ...

Page 11

ABLE RDERING NFORMATION ...

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