R1LP0408D Series 4Mb Advanced LPSRAM (512-kword 8-bit) R10DS0274EJ0200 Rev.2.00 2019.10.29 Description The R1LP0408D Series is a family of 4-Mbit static RAMs organized 512-kword 8-bit, fabricated by Renesass high- performance CMOS and TFT technologies. The R1LP0408D Series has realized higher density, higher performance and low power consumption. The R1LP0408D Series offers low power standby power dissipation therefore, it is suitable for battery backup systems. It is offered in 32-pin SOP and 32-pin TSOP. Features Single 5V supply: 4.5V to 5.5V Access time: 55ns (max.) Power dissipation: Standby: 4W (typ.) Equal access and cycle times Common data input and output Three state output Directly TTL compatible All inputs and outputs Battery backup operation Ordering Information Access Temperature Orderable part name Package Shipping container time range R1LP0408DSP-5SI B Tube (Magazine) * 525-mil 32-pin plastic SOP R1LP0408DSP-5SI S* Embossed tape 55 ns -40 ~ +85C R1LP0408DSB-5SI B Tray * 400-mil 32-pin plastic TSOP (II) R1LP0408DSB-5SI S* Embossed tape Note 1. = Revision code for Assembly site change, etc. (= 0, 1, etc.) R10DS0274EJ0200 Rev.2.00 Page 1 of 11 2019.10.29 R1LP0408D Series Pin Arrangement A18 1 32 Vcc A16 2 31 A15 A14 3 30 A17 A12 4 29 WE A7 5 28 A13 A6 6 27 A8 A5 32-pin SOP 7 26 A9 A4 8 25 A11 32-pin TSOP A3 9 24 OE A2 10 23 A10 A1 11 22 CS A0 12 21 I/O7 I/O0 13 20 I/O6 I/O1 14 19 I/O5 I/O2 15 18 I/O4 Vss 16 17 I/O3 Pin Description Pin name Function Vcc Power supply Vss Ground A0 to A18 Address input I/O0 to I/O7 Data input/output CS Chip select WE Write enable OE Output enable R10DS0274EJ0200 Rev.2.00 Page 2 of 11 2019.10.29