 |
 |
|
| MPC940L |
|
|||||||||||||||||
 IDT
|
| |||||||||||||||||
|
2 page 
MPC940L LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP IDT™ / ICS™ 1:18 CLOCK DISTRIBUTION CHIP 2 MPC940L REV 7 JUNE 5, 2007 LOGIC DIAGRAM Table 1. Pin Configurations Pin I/O Type Function PECL_CLK Input LVPECL Reference Clock Input PECL_CLK LVCMOS_CLK Input LVCMOS Alternative Reference Clock Input LVCMOS_CLK_SEL Input LVCMOS Selects Clock Source Q0–Q17 Output LVCMOS Clock Outputs VCCO Supply Output Positive Power Supply VCCI Supply Core Positive Power Supply GNDO Supply Output Negative Power Supply GNDI Supply Core Negative Power Supply 0 1 16 Q0 Q1–Q16 Q17 PECL_CLK PECL_CLK LVCMOS_CLK LVCMOS_CLK_SEL (Internal Pulldown) Pinout: 32-Lead LQFP (Top View) GNDO Q5 Q4 Q3 VCCO Q2 Q1 Q0 VCCO Q12 Q13 Q14 GNDO Q15 Q16 Q17 25 26 27 28 29 30 31 32 15 14 13 12 11 10 9 12 3 45 6 78 24 23 22 21 20 19 18 17 16 MPC940L FUNCTION TABLE LVCMOS_CLK_SEL Input 0 1 PECL_CLK LVCMOS_CLK POWER SUPPLY VOLTAGES Supply Pin Voltage Level VCCI VCCO 2.5 V or 3.3 V ± 5% 2.5 V or 3.3 V ± 5% |
