MB88156PV-G-001-ERE1 Fujitsu Semiconductor America Inc, MB88156PV-G-001-ERE1 Datasheet
MB88156PV-G-001-ERE1
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MB88156PV-G-100-G-JNE1
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MB88156PV-G-001-ERE1 Summary of contents
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FUJITSU MICROELECTRONICS DATA SHEET Spread Spectrum Clock Generator MB88156 DESCRIPTION MB88156 is a clock generator for EMI (Electro Magnetic Interference) reduction. The peak of unnecessary radi- ation noise (EMI) can be attenuated by making the oscillation frequency slightly modulate periodically ...
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MB88156 (Continued) • Modulation rate • Frequency down function • Equipped with oscillation circuit • Modulation clock output Duty • Modulation clock Cycle-Cycle Jitter : Multiplied by 1 (input) 12.5 MHz to 20 MHz less than 150 ps • Low ...
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PIN ASSIGNMENT • MB88156-000 index • MB88156-001 TOP VIEW N. FREQ MB88156 N. MLTP0 -000 N. MLTP1 TOP VIEW ...
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MB88156 PIN DESCRIPTION Pin no. Pin name 1 CKOUT SPRD 4 REFOUT/N. MLTP1 7 MLTP0 8 FREQ 9 XIN 10 XOUT 11 ENS 12 XPD 13 SEL 14 N.C. 15 N.C. 16 ...
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Setting of ENS, SPRD, and SEL (setting of output frequency) Setting pin ENS SPRD SEL Modulation None Provided Output status Modulation type Modulation rate ...
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MB88156 I/O CIRCUIT TYPE Pin SEL, XPD ENS, SPRD FREQ, MLTP1, MLTP0 6 Circuit type 50 k Power down signal Power down signal 50 k Remarks • CMOS hysteresis input • CMOS hysteresis input with pull-up resistor 50 kΩ (Typ) ...
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Pin Circuit type REFOUT CKOUT Note : For XIN and XOUT pins, see “ OSCILLATION CIRCUIT”. MB88156 Remarks • CMOS output = 3 mA • • Output “L” at power-down • CMOS output = 4 mA • ...
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MB88156 HANDLING DEVICES Preventing Latchup A latchup can occur if, on this device, (a) a voltage higher than V input or output pin or (b) a voltage higher than the rating is applied between V significantly increases the power supply ...
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BLOCK DIAGRAM Power down XPD Modulation enable setting ENS Modulation type setting/frequency down setting SPRD Frequency setting FREQ Multiplication rate setting MLTP1, MLTP0 Modulation level setting/frequency falling width setting SEL Reference clock XOUT Power down signal XIN ...
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MB88156 PIN SETTING After the pin setting is changed, the stabilization wait time of the modulation clock is required. The stabilization wait time of the modulation clock takes the maximum value of Lock-Up time in “AC Characteristics” in ELECTRICAL CHARACTERISTICS. ...
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Center spread Spectrum is spread (modulated) by centering on the non-spread frequency. Radiation level Example of center spread modulation rate ±1.0% (2.0%) • Down spread Spectrum is spread (modulated) below the non-spread frequency. Radiation level Modulation width 2.0% Example ...
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MB88156 ABSOLUTE MAXIMUM RATINGS Parameter Power supply voltage* Input voltage* Output voltage* Storage temperature Operation junction temperature Output current Overshoot Undershoot *: The parameter is based WARNING: Semiconductor devices can be permanently damaged by application of stress ...
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RECOMMENDED OPERATING CONDITIONS Parameter Symbol Power supply voltage V DD XIN, SEL, ENS, FREQ, MLTP1, “H” level input voltage V IH MLTP0, SPRD, XIN, SEL, ENS, FREQ, MLTP1, “L” level input voltage V IL MLTP0, SPRD, Input clock duty cycle ...
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MB88156 ELECTRICAL CHARACTERISTICS • DC Characteristics Parameter Symbol Power supply current OHC V OHR Output voltage V OLC V OLR Z OC Output impedance Z OR Input capacitance C IN Pull-up resistor R PU Pull-down resistor R ...
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AC Characteristics Sym- Parameter Pin bol XIN, Oscillation frequency f x XOUT Input frequency f XIN in REFOUT Output frequency f OUT CKOUT SR CKOUT C Output slew rate SR REFOUT R t CKOUT Output clock Duty DCC Cycle ...
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MB88156 OUTPUT CLOCK Duty Cycle (t CKOUT REFOUT INPUT FREQUENCY (f in XIN OUTPUT SLEW RATE (SR CKOUT REFOUT = (2.4−0.4) /t Note : (2.4−0. CYCLE-CYCLE JITTER (t ...
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MODULATION WAVEFORM • Modulation rate ±1.0%, example of center spread CKOUT output frequency 1.0 % Frequency at modulation off 1.0 % • Modulation rate −1.0%, example of down spread CKOUT output frequency Frequency at modulation off 0.5 % 1.0 % ...
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MB88156 LOCK-UP TIME 3 XIN XPD SPRD, MLTP0, MLTP1, FREQ, ENS, SEL CKOUT If the XPD pin is fixed at the “H” level, the maximum time after the power is turned on until the set clock signal ...
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XIN V IH XPD V IH ENS t (Lock-Up time) CKOUT If the ENS pin is used for modulation enable control during normal operation, the set clock signal is output from the CKOUT pin at most the lock-up time ...
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MB88156 OSCILLATION CIRCUIT The following schematic on the left-hand side shows a sample connection of a general resonator. The oscillation circuit contains a feedback resistor (1 MΩ) . The values of capacitors (C constant of the resonator used. The following ...
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INTERCONNECTION CIRCUIT EXAMPLE CKOUT R 1 SPRD Oscillation stabilization capacitance (see Capacitor of 10 µF or higher Capacitor of about 0.01 µF (connect a capacitor of good high frequency C ...
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MB88156 SPECTRUM EXAMPLE CHARACTERISTICS The condition of the examples of the characteristic is shown as follows : Input frequency = 16 MHz (Output frequency = 64 MHz : Using MB88156-001 (Multiplied Power-supply voltage = 3.3 V, None ...
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... ORDERING INFORMATION Part number MB88156PV-G-000-EFE1 MB88156PV-G-000-ERE1 MB88156PV-G-001-EFE1 MB88156PV-G-001-ERE1 REFOUT pin Package Provided 16-pin plastic BCC (LCC-16P-M09) None MB88156 Emboss taping EF type ER type EF type ER type 23 ...
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MB88156 PACKAGE DIMENSION 16-pin plastic BCC (LCC-16P-M09) 3.50±0.10 (.138±.004 INDEX AREA 1 5 0.05(.002) 2004 FUJITSU LIMITED C16067S-c-1 0.80(.031)MAX Mount height 2.85(0.112) TYP 3.50±0.10 (.138±.004) 0.55±0.07 (.022±.003) 0.075±0.025 (.003±.001) (Stand off) Details of "A" part 0.14(.006) ...
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MEMO MB88156 25 ...
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MB88156 MEMO 26 ...
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MEMO MB88156 27 ...
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FUJITSU MICROELECTRONICS LIMITED Shinjuku Dai-Ichi Seimei Bldg. 7-1, Nishishinjuku 2-chome, Shinjuku-ku, Tokyo 163-0722, Japan Tel: +81-3-5322-3347 Fax: +81-3-5322-3387 http://jp.fujitsu.com/fml/en/ For further information please contact: North and South America FUJITSU MICROELECTRONICS AMERICA, INC. 1250 E. Arques Avenue, M/S 333 Sunnyvale, CA ...