MFG:Freescale Semiconductor (VA) Category:Integrated Circuits (ICs) Package Cooled:TQFP D/C:QFP
MPC940LFA, MPC940LFAR2, MPC941 Datasheet download
Category: Integrated Circuits (ICs)
MFG: Freescale Semiconductor (VA)
Package Cooled: TQFP
D/C: QFP
Description: IC CLOCK DISTRIBUTON 1:18 32LQFP
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PDF/DataSheet Download
Datasheet: MPC100
File Size: 359814 KB
Manufacturer: BURR-BROWN [Burr-Brown Corporation]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: MPC100
File Size: 359814 KB
Manufacturer: BURR-BROWN [Burr-Brown Corporation]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: MPC941
File Size: 177716 KB
Manufacturer: Motorola
Download : Click here to Download
| Technical/Catalog Information | MPC940LFA |
| Vendor | Freescale Semiconductor |
| Category | Integrated Circuits (ICs) |
| Type | Clock Distribution |
| Voltage - Supply | 2.375 V ~ 3.465 V |
| Number of Outputs | 18 |
| Input | LVCMOS, LVPECL |
| Output | LVCMOS |
| Frequency-Max | 250MHz |
| Package / Case | 32-LQFP |
| Packaging | Tray |
| Operating Temperature | 0°C ~ 70°C |
| Drawing Number | 375; 873A-02; FA; 32 |
| Lead Free Status | Contains Lead |
| RoHS Status | RoHS Non-Compliant |
| Other Names | MPC940LFA MPC940LFA |
| Technical/Catalog Information | MPC940LFAR2 |
| Vendor | Freescale Semiconductor (VA) |
| Category | Integrated Circuits (ICs) |
| Type | Clock Distribution |
| Voltage - Supply | 2.375 V ~ 3.465 V |
| Number of Outputs | 18 |
| Input | LVCMOS, LVPECL |
| Output | LVCMOS |
| Frequency-Max | 250MHz |
| Package / Case | 32-LQFP |
| Packaging | Cut Tape (CT) |
| Operating Temperature | 0°C ~ 70°C |
| Drawing Number | 375; 873A-02; FA; 32 |
| Lead Free Status | Contains Lead |
| RoHS Status | RoHS Non-Compliant |
| Other Names | MPC940LFAR2 MPC940LFAR2 MPC940LFACT ND MPC940LFACTND MPC940LFACT |
The MPC941 is a 1:27 low voltage clock distribution chip. The device features the capability to select either a differential LVPECL or an LVCMOS compatible input. The 27 outputs are LVCMOS compatible and feature the drive strength to drive 50W series or parallel terminated transmission lines. With outputtooutput skews of 250ps, the MPC941 is ideal as a clock distribution chip for the most demanding of synchronous systems. For a similar product with a smaller number of outputs, please consult the MPC940 data sheet.
• LVPECL or LVCMOS Clock Input
• 250ps Maximum OutputtoOutput Skew
• Drives Up to 54 Independent Clock Lines
• Maximum Output Frequency of 250MHz
• High Impedance Output Enable
• 48Lead LQFP Packaging
• 3.3V or 2.5V VCC Supply Voltage
With a low output impedance, in both the HIGH and LOW logic states, the output buffers of the MPC941 are ideal for driving series terminated transmission lines. More specifically, each of the 27 MPC941 outputs can drive two series terminated 50W transmission lines. With this capability, the MPC941 has an effective fanout of 1:54. With this level of fanout, the MPC941 provides enough copies of low skew clocks for most high performance synchronous systems.
The differential LVPECL inputs of the MPC941 allow the device to interface directly with an LVPECL fanout buffer like the MC100EP111 to build very wide clock fanout trees or to couple to a high frequency clock source. The LVCMOS input provides a more standard interface for applications requiring only a single clock distribution chip at relatively low frequencies. In addition, the two clock sources can be used as a test clock interface as well as the primary system clock. A logic HIGH on the LVCMOS_CLK_Sel pin will select the LVCMOS level clock input.
The MPC941 is fully 3.3V and 2.5V compatible. The 48lead LQFP package was chosen to optimize performance, board space and cost of the device. The 48lead LQFP has a 7x7mm body size.
| Symbol | Characteristics | Min | Max | Unit | |
| VCC | Supply Voltage | -0.3 | 3.6 | V | |
| VIN | DC Input Voltage | -0.3 | VCC+0.3 | V | |
| VOUT | DC Output Voltage | -0.3 | VCC+0.3 | V | |
| IIN | DC Input Current | ±20 | mA | ||
| IOUT | DC Output Current | ±50 | mA | ||
| TS | Storage Temperature | -40 | 125 | ||
* Absolute maximum continuos ratings are those maximum values beyond which damage to the device may occur. Exposure to these conditions or conditions beyond those indicated may adversely affect device reliability. Functional operation at absolute-maximum-rated conditions is not implied.
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