IDT5V993A-2Q IDT, Integrated Device Technology Inc, IDT5V993A-2Q Datasheet

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IDT5V993A-2Q

Manufacturer Part Number
IDT5V993A-2Q
Description
Manufacturer
IDT, Integrated Device Technology Inc
Type
Programmable PLL Clock Driverr
Datasheet

Specifications of IDT5V993A-2Q

Number Of Elements
1
Supply Current
76mA
Pll Input Freq (min)
3.75MHz
Pll Input Freq (max)
85MHz
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
0C to 70C
Package Type
QSOP
Output Frequency Range
3.75 to 85MHz
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temperature Classification
Commercial
Pin Count
28
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IDT5V993A-2Q
Quantity:
12
Part Number:
IDT5V993A-2Q
Manufacturer:
IDT
Quantity:
20 000
Part Number:
IDT5V993A-2QG
Manufacturer:
FSC
Quantity:
6 221
FEATURES:
• Ref input is 5V tolerant
• 3 pairs of programmable skew outputs
• Low skew: 200ps same pair, 250ps all outputs
• Selectable positive or negative edge synchronization:
• Synchronous output enable
• Output frequency: 3.75MHz to 85MHz
• 2x, 4x, 1/2, and 1/4 outputs
• 3 skew grades:
• 3-level inputs for skew and PLL range control
• PLL bypass for DC testing
• External feedback, internal loop filter
• 12mA balanced drive outputs
• Low Jitter: <200ps peak-to-peak
• Available in QSOP package
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT5V993A
3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK
c
Excellent for DSP applications
IDT5V993A-2: t
IDT5V993A-5: t
IDT5V993A-7: t
2001
Integrated Device Technology, Inc.
SKEW0
SKEW0
SKEW0
<250ps
<500ps
<750ps
REF
FB
V
CCQ
PLL
FS
3
3.3V PROGRAMMABLE
SKEW PLL CLOCK DRIVER
TURBOCLOCK™
/PE
3
3
3
Select
Select
Select
Skew
Skew
Skew
1
GND/sO E
DESCRIPTION:
for high performance computing and data-communications applications. A
key feature of the programmable skew is the ability of outputs to lead or lag
the REF input signal. The IDT5V993A has six programmable skew outputs
and two zero skew outputs. Skew is controlled by 3-level input signals that
may be hard-wired to appropriate HIGH-MID-LOW levels.
enabled. However, if GND/sOE is held high, all the outputs except 3Q0 and
3Q1 are synchronously disabled.
synchronized with the positive edge of the REF clock input. When V
PE is held low, all the outputs are synchronized with the negative edge of
REF. Both devices have LVTTL outputs with 12mA balanced drive outputs.
3
3
3
The IDT5V993A is a high fanout 3.3V PLL based clock driver intended
When the GND/sOE pin is held low, all the outputs are synchronously
Furthermore, when the V
1F1:0
2F1:0
3F1:0
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
CCQ
1Q
1Q
2Q
2Q
3Q
3Q
4Q
4Q
/PE is held high, all the outputs are
0
1
0
1
0
1
0
1
OCTOBER 2008
IDT5V993A
DSC 5408/3
CCQ
/

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IDT5V993A-2Q Summary of contents

Page 1

... SKEW PLL CLOCK DRIVER TURBOCLOCK™ DESCRIPTION: The IDT5V993A is a high fanout 3.3V PLL based clock driver intended for high performance computing and data-communications applications. A key feature of the programmable skew is the ability of outputs to lead or lag the REF input signal. The IDT5V993A has six programmable skew outputs and two zero skew outputs ...

Page 2

... IDT5V993A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK PIN CONFIGURATION REF /PE 6 CCQ QSOP TOP VIEW PIN DESCRIPTION Pin Name Type Description REF I N Reference Clock Input Feedback Input (1) TEST I N When MID or HIGH, disables PLL (except for conditions of Note 1). REF goes to all outputs. Skew Selections (See Control Summary Table) remain in effect ...

Page 3

... IDT5V993A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK EXTERNAL FEEDBACK By providing external feedback, the IDT5V993A gives users flexibility with regard to skew adjustment. The FB signal is compared with the input REF signal at the phase detector in order to drive the VCO. Phase differences cause the VCO of the PLL to adjust upwards or downwards accordingly ...

Page 4

... CC I Dynamic Power Supply Current per Output CCD I Total Power Supply Current TOT NOTE: 1. For eight outputs, each loaded with 20pF. COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES IDT5V993A-5, -7 (Industrial) Min. Max. 3 3.6 -40 +85 Conditions Guaranteed Logic HIGH (REF, FB Inputs Only) Guaranteed Logic LOW (REF, FB Inputs Only) ...

Page 5

... SKEWPR the skew between outputs when they are selected for 0t SKEW0 5. For IDT5V993A measured with C SKEW0 L 6. There are 2 classes of outputs: Nominal (multiple the output-to-output skew between any two devices operating under the same conditions (V DEV 8 ...

Page 6

... IDT5V993A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK AC TEST LOADS AND WAVEFORMS COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES V CC Ω 150 Output Ω 150 t ORIS E 2.0V t PWH 0.8V t PWL LVTTL Output Waveform ≤ 1ns 3.0V 2.0V Vth = 1.5V 0.8V 0V LVTTL Input Test Waveform ...

Page 7

... IDT5V993A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK AC TIMING DIAGRAM OTH ER Q REF D IVIDE REF D IVIDE NOTES: V /PE: The AC Timing Diagram applies to V CCQ CCQ negative edge of REF, and the positive edges of the divide-by-2 and the divide-by-4 signals align. Skew: The time between the earliest and the latest output transition among all outputs for which the same t with 75Ω ...

Page 8

... IDT5V993A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK ORDERING INFORMATION XXXXX XX X Package Process Device Type CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES Commercial (0°C to +70°C) Blank I Industrial (-40°C to +85°C) Q Quarter-Size Small Outline Package ...

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