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K4R271669B-NCK8 Datasheet(PDF) 4 Page - Samsung semiconductor |
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K4R271669B-NCK8 Datasheet(HTML) 4 Page - Samsung semiconductor |
4 / 20 page Direct RDRAM™ Page 2 K4R271669B/K4R441869B Version 1.11 Oct. 2000 Pinouts and Definitions Center-Bonded Devices These tables shows the pin assignments of the center-bonded RDRAM package. The top table is for the normal package, and bottom table is for the mirrored package. The mechan- ical dimensions of this package are shown in a later section. Refer to Section "Center-Bonded uBGA Package" on page 18. Table 1-1: a. Center-Bonded Device (top view for normal package) 12 GND VDD VDD GND 11 10 DQA7 DQA4 CFM CFMN RQ5 RQ3 DQB0 DQB4 DQB7 9 GND VDD GND GNDa VDD GND VDD VDD GND 8 CMD DQA5 DQA2 VDDa RQ6 RQ2 DQB1 DQB5 SIO1 7 6 5 SCK DQA6 DQA1 VREF RQ7 RQ1 DQB2 DQB6 SIO0 4 VCMOS GND VDD GND GND VDD GND GND VCMOS 3 DQA8* DQA3 DQA0 CTMN CTM RQ4 RQ0 DQB3 DQB8* 2 1 GND VDD VDD GND A B C D E F G H J Table 1-2: a. Center-Bonded Device (top view for mirrored package) 12 GND VDD VDD GND 11 10 DQA8* DQA3 DQA0 CTMN CTM RQ4 RQ0 DQB3 DQB8* 9 VCMOS GND VDD GND GND VDD GND GND VCMOS 8 SCK DQA6 DQA1 VREF RQ7 RQ1 DQB2 DQB6 SIO0 7 6 5 CMD DQA5 DQA2 VDDa RQ6 RQ2 DQB1 DQB5 SIO1 4 GND VDD GND GNDa VDD GND VDD VDD GND 3 DQA7 DQA4 CFM CFMN RQ5 RQ3 DQB0 DQB4 DQB7 2 1 GND VDD VDD GND A B C D E F G H J For normal package, pin #1(ROW 1, COL A) is located at the A1 position on the top side and the A1 position is marked by the marker “ •“. For mirrored package, pin #1(ROW 1, COL A) is located at the A1 postion on the top side and the A1 position is marked by the alphabet “M“. Chip Top View * DQA8/DQB8 are just used for 144Mb RDRAM. These two pins are NC(No Connection) in 128Mb RDRAM. b. Top marking example of normal package b. Top marking example of mirrored package COL ROW COL ROW K4Rxxxx69B-Nxxx SAMSUNG 050 M K4Rxxxx69B-Mxxx SAMSUNG 050 |
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