Gb G-Die Ddr3 Sdram; Samsung K4B1G1646G; Key Features - Sharp LC-22LE250E-V Service Manual

• Programmable BL=4 supported (tCCD=2CLK) for Digi-tal consumer Applications.
• Programmable ZQ calibration supported
• BL switch on the fly
• 8banks
• Average Refresh Cycle (Tcase of 0 oC~ 95 oC)
7.8 s at -40oC ~ 85 oC
-
3.9 s at 85oC ~ 95 oC
-
- Commercial Temperature ( 0oC ~ 85 oC)
- Industrial Temperature ( -40oC ~ 85 oC)
• Auto Self Refresh supported
• JEDEC standard 78ball FBGA(x8), 96ball FBGA(x16)
• Driver strength selected by EMRS
• Dynamic On Die Termination supported
• Asynchronous RESET pin supported
• TDQS (Termination Data Strobe) supported (x8 only)
• Write Levelization supported
• On Die Thermal Sensor supported
• 8 bit pre-fetch

7. 1Gb G-die DDR3 SDRAM

Samsung K4B1G1646G

a) Key Features
• JEDEC standard 1.5V ± 0.075V Power Supply
• VDDQ = 1.5V ± 0.075V
• 400 MHz fCK for 800Mb/sec/pin, 533MHz fCK for 1066Mb/sec/pin, 667MHz fCK for
1333Mb/sec/pin, 800MHz fCK for 1600Mb/sec/pin 900MHz fCK for 1866Mb/sec/pin
28
Table 11: Recommended operating conditions
43
LC-22LE250
LC-24LE250