LH5164AV Datasheet | Sharp Corporation

FEATURES - 8,192 × 8 bit organization - Access time: 200 ns (MAX.) - Supply current (MAX.): Operating: 248 m W 55 m W (t RC, t WC = 1 µs) Standby: 5.5 µW Data retention: 0.6 µW (VCC = 3 V, t A = 25°C) - Wide operating voltage range: 2.7 V to 5.5 V - Fully-static operation - TTL patible I/O - Three-state outputs - Packages: 28-pin, 450-mil SOP 28-pin, 8 × 13 mm2 TSOP (Type I) DESCRIPTION The LH5164AV is a static RAM organized as 8,192 × 8 bits. It is fabricated using silicon-gate CMOS process technology. OE A11 A9 A8 CE2 WE VCC NC A12 A7 A6 A5 A4 A3 CMOS 64K (8K × 8) Static RAM PIN CONNECTIONS 28-PIN SOP TOP VIEW 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 5164AV-1 Figure 1. Pin Connections for SOP Package 28-PIN TSOP (Type I) TOP VIEW 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 A10 CE1 I/O8 I/O7 I/O6 I/O5 I/O4 GND I/O3 I/O2 I/O1 A0 A1 A2 5164AV-2 Figure 2. Pin Connections for TSOP Package CMOS 64K (8K × 8) Static RAM A9 24 A8 25 A12 2 A7 3 A6 4 A5 5 A4 6 A3 7 ROW SELECT 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 COLUMN I/O CIRCUITS INPUT DATA CONTROL COLUMN SELECT WE 27 OE 22 CE2 26 CE1 20 8 A2 NOTE: Pin numbers apply to the 28-pin SOP. 9 A1 10 A0 23 A11 21 A10 5164AV-3 Figure 3. LH5164AV Block Diagram PIN DESCRIPTION SIGNAL PIN NAME SIGNAL PIN NAME A0 - A12 CE1/CE2 WE...