Clock Generator Selector Guide
Universal clock generators simplify traditional board designs by synthesizing frequencies from either a reference input clock or a common low-cost crystal, providing
low-jitter output clocks. When used together with Microsemi clock distribution fanout buffers, the clock generators provide customers with improved board performance
and complete timing solutions.
Any-Rate Clock Synthesis Devices
Product
ZL30236
ZL30237
ZL30230
MAX24405
MAX24505
MAX24410
MAX24510
ZL30250
ZL30251
ZL30244
ZL30245
ZL30260
ZL30261
ZL30262
ZL30263
ZL30264
ZL30265
ZL30266
ZL30267
Abbreviation Key:
Independent
Output Freq.
Families
2
2
4
2
2
2
2
1
1
2
2
2
2
2
2
4
4
4
4
Inputs
1 XTAL
1 XTAL
1 XTAL
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
2 XTAL/SE, 6 D/SE
2 XTAL/SE, 6 D/SE
1 XTAL/SE, 3D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTAL/SE, 3 D/SE
1 XTALl/SE, 3 D/SE
Crystal Input
Freq. Range
20 M, 24.576 M
20 M, 24.576 M
20 M, 24.576 M
25 M–52 M
25 M–52 M
25 M–52 M
25 M–52 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
25 M–60 M
9.72 M–160 M
9.72 M–160 M
9.72 M–160 M
9.72 M–160 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–300 M
9.72 M–750 M
9.72 M–750 M
9.72 M–750 M
9.72 M–750 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
9.72 M–1250 M
Xtal Oscillator
or CMOS Input
Freq. Range
Diff Input
Freq. Range
Low- Typical
Jitter
Jitter
APLLs fs RMS
2
2
2
2
2
2
2
1
1
2
2
1
1
1
1
2
2
2
2
700
700
700
180
1
180
1
180
1
180
1
160
1
160
1
160
1
160
1
170
1
170
1
170
1
170
1
170
1
170
1
170
1
170
1
•
•
•
•
•
•
•
•
•
•
•
•
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
•
0.24
NCO
Mode
NCO
ppb
Diff
CMOS
Outputs Outputs
8
8
4–12
0–5
0–5
0–10
0–10
0–3
0–3
0–6
0–6
0–6
0–6
0–10
0–10
0–6
0–6
0–10
0–10
4
4
4–12
0–10
0–10
0–20
0–20
0–6
0–6
0–12
0–12
0–12
0–12
0–20
0–20
0–12
0–12
0–20
0–20
Output Freq.
Range
1 k–750 M
1 k–750 M
1 k–750 M
<1 Hz–750 M
<1 Hz–750 M
<1 Hz–750 M
<1 Hz–750 M
<1 Hz–1035 M
2
<1 Hz–1035 M
2
<1 Hz–1035 M
2
<1 Hz–1035 M
2
1 Hz–1035 M
2
1 Hz–1035 M
2
1 Hz–1035 M
2
1 Hz–1035 M
2
1 Hz–1035 M
2
1 Hz–1035 M
2
1 Hz–1035 M
2
1 Hz–1035 M
2
NV
Memory
OTP
OTP
OTP
Ext EE
Int EE
Ext EE
Int EE
Ext EE
3
Int EE
3
Ext EE
3
Int EE
3
Ext EE
4
Int EE
4
Ext EE
4
Int EE
4
Ext EE
4
Int EE
4
Ext EE
4
Int EE
4
Host
Bus
SPI/I2C
SPI/I2C
SPI/I2C
SPI
SPI
SPI
SPI
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
SPI/I2C
Supply
Voltage
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
3.3 + 1.8
Note
5
Note
5
Note
5
Note
5
Note
5
Note
5
Note
5
Note
5
Pkg
Size,
mm
11 × 11
11 × 11
11 × 11
10 × 10
10 × 10
10 × 10
10 × 10
5×5
5×5
5 × 10
5 × 10
8×8
8×8
8×8
8×8
8×8
8×8
8×8
8×8
D = differential
Int EE = internal EEPROM
3 = up to four configurations (pin-selectable)
SE = single-ended (CMOS)
OTP = one-time programmable
4 = up to eight configurations (pin-selectable)
NCO = numerically controlled oscillator
Ext EE = external EEPROM
1 = integer-mode APLL-only operation
2 = spread spectrum-capable
5 = 2.5 V only, 3.3 V only, 1.8 V + 2.5 V, 1.8 V + 3.3 V
Clock Generator Selector Guide
Rate Conversion/Jitter Attenuation Devices
Product
Independent
Output Freq.
Families
2
Inputs
Crystal Input
Freq. Range
Xtal Oscillator
Low- Typical
Diff Input
or CMOS Input
Jitter Jitter
Freq. Range
Freq. Range
APLLs fs RMS
2 kHz–160 M
2 kHz–750 M
2
180
1
DPLL Features:
Ref. Switching/ NCO
Holdover/
Mode
DPLL Bandwidth
Glitchless/
Digital Hold/
4 Hz–400 Hz
Glitchless/
Digital Hold/
4 Hz–400 Hz
Glitchless/
Digital Hold/
14 Hz–500 Hz
Glitchless/
Digital Hold/
14 Hz–500 Hz
Glitchless/
Digital Hold/
25 Hz
Glitchless/
Digital Hold/
14 Hz–500 Hz
•
•
NCO
Diff
CMOS Output Freq.
NV
Host
ppb Outputs Outputs
Range
Memory Bus
Supply
Voltage
Pkg
Size,
mm
MAX24605
1 XTAL/SE, 3 D/SE
25 M–52 M
<0.001
0–5
0–10
<1 Hz–750 M
Ext EE
SPI
3.3 + 1.8 10 × 10
MAX24610
ZL30159
ZL30252
2
1
1
1 XTAL/SE, 3 D/SE
1 XTAL, 1 D
1 XTAL/SE, 3 D/SE
25 M–52 M
20 M or 24.578 M
25 M–60 M
2 kHz–160 M
1 Hz–177.5 M
1 kHz–300 M
2 kHz–750 M
1 Hz–750 M
1 kHz–1250 M
2
1
1
180
1
<1000
160
1
•
<0.001
0–10
0
0–20
2
0–6
<1 Hz–750 M
1 Hz–177.5 M
Ext EE
SPI
3.3 + 1.8 10 × 10
9×9
5×5
SPI/I2C 3.3 + 1.8
•
0.01
0–3
<1 Hz–1035 M
2
Ext EE
3
SPI/I2C 3.3 + 1.8
ZL30253
1
1 XTAL/SE, 3 D/SE
25 M–60 M
1 kHz–300 M
8 kHz or
25 MHz
1 kHz–300 M
1 kHz–1250 M
1
160
1
•
0.01
0–3
0–6
<1 Hz–1035 M
2
125 MHz or
156.25 MHz
<1 Hz–1035 M
2
Int EE
3
SPI/I2C 3.3 + 1.8
5×5
ZL30254
1
1 XTAL, 2 SE
49.152 MHz
1
<1 ps
2
0
None 3.3 + 1.8
5×5
ZL30255
Abbreviation Key:
2
2 XTAL/SE, 6 D/SE
25 M–60 M
1 kHz–1250 M
2
160
1
0.01
0–6
0–12
Int EE
3
SPI/I2C 3.3 + 1.8 5 × 10
D = differential
Ext EE = external EEPROM
1 = integer-mode APLL-only operation
SE = single-ended (CMOS)
Int EE = internal EEPROM
2 = spread spectrum-capable
NCO = numerically controlled oscillator
OTP = one-time programmable
3 = up to four configurations pin-selectable
Microsemi Corporate Headquarters
One Enterprise, Aliso Viejo, CA 92656 USA
Within the USA: +1 (800) 713-4113
Outside the USA: +1 (949) 380-6100
Fax: +1 (949) 215-4996
Email: sales.support@microsemi.com
www.microsemi.com
Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and
industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products;
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design capabilities and services. Microsemi is headquartered in Aliso Viejo, California and has approximately 4,800 employees globally. Learn more at www.microsemi.com.
Microsemi makes no warranty, representation, or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose, nor does Microsemi assume any liability
whatsoever arising out of the application or use of any product or circuit. The products sold hereunder and any other products sold by Microsemi have been subject to limited testing and should not be used in conjunction with
mission-critical equipment or applications. Any performance specifications are believed to be reliable but are not verified, and Buyer must conduct and complete all performance and other testing of the products, alone and
together with, or installed in, any end-products. Buyer shall not rely on any data and performance specifications or parameters provided by Microsemi. It is the Buyer’s responsibility to independently determine suitability of any
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Analog electronics
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