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R1Q5A7218ABG60RT0 Datasheet(PDF) 6 Page - Renesas Technology Corp |
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R1Q5A7218ABG60RT0 Datasheet(HTML) 6 Page - Renesas Technology Corp |
6 / 26 page R1Q2A3636B/R1Q2A3618B/R1Q2A3609B REJ03C0341-0003 Rev.0.03 Apr. 11, 2008 Page 6 of 24 Name I/O type Descriptions Notes VDD Supply Power supply: 1.8 V nominal. See DC Characteristics and Operating VDD Supply Conditions for range. VDDQ Supply Power supply: Isolated output buffer supply. Nominally 1.5 V. 1.8 V is also permissible. See DC Characteristics and Operating Conditions for range. VSS Supply Power supply: Ground. VREF HSTL input reference voltage: Nominally VDDQ/2, but may be adjusted to improve system noise margin. Provides a reference voltage for the HSTL input buffers. NC No connect: These signals are not internally connected. These signals can be left floating or connected to ground to improve package heat dissipation. Notes: 1. All power supply and ground balls must be connected for proper operation of the device. Block Diagram (R1Q2A3636B / R1Q2A3618B / R1Q2A3609B series) Address Registry and Logic Data Registry and Logic Memory Array Address /R /W K /K /W /BWx D (Data in) /R K /K 72 /36 /18 72 /36 /18 19/20/21 36/18/9 36/18/9 Q (Data out) 19/20/21 K CC, /C or K, /K ZQ 2 CQ /CQ 72 /36 /18 4/2/1 |
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