LH5164AZ8

LH5164AZ8 FEATURES 8,192 × 8 bit organization Access time: 200 ns (VCC = 3.0 V MAX.) Power consumption: Operating: 60 mW (MAX.) @ 3 V Standby (to 60°C): 3 µW (MAX.) @ 3 V Data hold 0.6 µA (VCC = 3 V, TA = 60 °C) Operating voltage range: 3.0 V to 3.6 V Wide operating temperature range: -30 to 60°C Fully-static operation TTL compatible I/O Three-state outputs Package: 28-pin, 450-mil SOP CMOS 64K (8K × 8) Static RAM DESCRIPTION The LH5164AZ8 is a static RAM organized as 8,192 × 8 bits. It is fabricated using silicon-gate CMOS process technology. PIN CONNECTIONS 28-PIN SOP NC A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC WE CE2 A8 A9 A11 OE A10 CE1 I/O8 I/O7 I/O6 I/O5 I/O4 5164AZ8-1 TOP VIEW Figure 1. Pin Connections for SOP Package 1 LH5164AZ8 CMOS 64K (8K × 8) Static RAM ROW ADDRESS BUFFERS ROW SELECT A9 24 A8 25 A12 2 A7 3 A6 4 A5 5 A4 6 A3 7 MEMORY ARRAY (256 x 256) 28 VCC 14 GND I/O1 11 I/O2 12 I/O3 13 I/O4 15 I/O5 16 I/O6 17 I/O7 18 I/O8 19 INPUT DATA CONTROL COLUMN I/O CIRCUITS COLUMN SELECT COLUMN ADDRESS BUFFERS WE 27 OE 22 CE2 26 CE1 20 8 A2 9 A1 10 A0 23 A11 21 A10 5164AZ8-2 Figure 2. LH5164AZ8 Block Diagram PIN DESCRIPTION SIGNAL PIN NAME SIGNAL PIN NAME A0 - A12 CE1 - CE2 WE OE Address inputs Chip Enable input Write Enable input Output Enable input I/O1 - I/O8 VCC GND NC Data inputs and outputs Power supply Ground Non connection 2 CMOS 64K (8K...