QS532805B Datasheet PDF - Integrated Device Technology
| Part Number | QS532805B | |
| Description | GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER | |
| Manufacturers | Integrated Device Technology | |
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QS532805/A/B
GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER
GUARANTEED LOW SKEW
3.3V CMOS CLOCK
DRIVER/BUFFER
INDUSTRIAL TEMPERATURE RANGE
QS532805/A/B
FEATURES:
− JEDEC compatible LVTTL level inputs and outputs
− 10 output, low skew clock signal buffer
− Monitor output
− Clock inputs are 5V tolerant
− Pinout and function compatible with QS5805T
− 25Ω on-chip resistors for low noise
− Input hysteresis for better noise margin
− Guaranteed low skew:
• 0.7ns output skew
• 0.7ns pulse skew
• 1ns part-to-part skew
− Std., A, and B speed grades (B speed in QSOP package only)
− Available in QSOP and SOIC packages
DESCRIPTION
The QS532805 clock buffer/driver circuits can be used for clock buffering
schemes where low skew is a key parameter. This device offers two banks
of 5 non-inverting outputs. The QS532805 incorporates 25Ω series
termination resistors. This clock buffer product is designed for use in high
performance workstations, embedded and personal computing systems
using 3V to 3.6V supply voltages. Several can be used in parallel or
scattered throughout a system for guaranteed low skew, system-wide clock
distribution networks. The QS532805 can accept 5V input and control
signals.
The QS532805 is characterized for operation at -40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
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OEA
INA
INB
OEB
5
OA5 OA1
MON
5
OB5 OB1
NOTE: QS532805 has a 25Ω series termination resistor on each clock output, including monitor.
INDUSTRIAL TEMPERATURE RANGE
c 1999 Integrated Device Technology, Inc.
1
JULY 2000
DSC-5785/-
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QS532805/A/B
GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER
TEST CIRCUITS AND WAVEFORMS
Pulse
Generator
VIN
50Ω
VCC
DUT
VOUT
50pF
INDUSTRIAL TEMPERATURE RANGE
Parameter
Tested
tPLZ, tPZL
All Others
Switch
Position
Closed
Open
500Ω
6.0 V
500Ω
Pulse generator for all pulses: f ≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns
INPUT
OUPUT
tPLH
tPHL
tR
PROPAGATION DELAY
tF
3V
1.5V
0V
VOH
2.0V
1.5V
0.8V
VOL
IN PU T
OUPUT 1
tPLH1
tPHL1
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OUPUT 2
tS K( 0 1 )
tS K( 0 1 )
tPLH2
tPHL2
tSK(01) = tPLH2 - tPLH1 or tPHL2 - tPHL1
OUTPUT SKEW (SAME BANK) — tSK(O1)
3V
1.5V
0V
VOH
1.5V
VOL
VOH
1.5V
VOL
INPUT
OUPUT
tPLH
tPHL
tSK(p) = tPHL - tPLH
PULSE SKEW — tSK(P)
3V
1.5V
0V
VOH
1.5V
VOL
INPUT
OUPUT A
tP L HA
tPHLA
OUPUT B
tS K( 0 2 )
tSK(02)
tPLHB
tPHLB
tSK(02) = tPLHB - tPLHA or tPHLB - tPHLA
OUPUT SKEW (DIFFERENT BANKS) — tSK(O2)
3V
1.5V
0V
VOH
1.5V
VOL
VOH
1.5V
VOL
CONTROL
INPUT
OUTPUT
NORMALLY
LOW
OUTPUT
NORMALLY
HIG H
ENABLE
tPZL
SWITCH
CLOSED
tPZH
SWITCH
OPEN
1.5V
1.5V
DISABLE
tP L Z
tPHZ
3V
1.5V
0V
3V
0.3V VOL
0.3V VOH
0V
ENABLE AND DISABLE TIMES
INPUT
PART 1 OUTPUT
PART 2 OUTPUT
5
tPLH1
tPHL1
tSK(t)
tSK(t)
tPLH2
tPHL2
tSK(t) = tPLH2 - tPLH1 or tPHL2 - tPHL1
PART-TO-PART SKEW — tSK(T)
3V
1.5V
0V
VOH
1.5V
VOL
VOH
1.5V
VOL
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for QS532805B electronic component. |
| Information | Total 6 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ QS532805B.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | Manufacturers |
| QS532805 | The function is GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER. | Integrated Device Technology |
| QS532805A | The function is GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER. | Integrated Device Technology |
| QS532805B | The function is GUARANTEED LOW SKEW 3.3V CMOS CLOCK DRIVER/BUFFER. | Integrated Device Technology |
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