UPD446-1 Datasheet

UPD446-1 2K x 8-BIT STATIC CMOS RAM

NEe Microcomputers, Inc. 2048 x 8 BIT STATIC CMOS RAM NEe f'PD446 f'PD446-1 pPD446-2 ~rn~[~~~ ~illrnW DESC RIPTION The IlPD446 is a high speed, low power, 2048 word by 8 bit static CMOS RAM fabricated using an advanced silicon gate CMOS technology. A unique circuitry technique makes the IlPD446 a.

Features

10 IlA Max Data Retention
• Data Retention Voltage - 2V Min
• Standard 24-Pin Plastic and Ceramic Packages
• Plug-in Compatible with 16K EPROMs II PIN
·CONFIGURATION 2 4 5 A2 6 Al AD S 1/01 9 1102 IlPD 446 24 VCC 23 AS 22 A9 21 WE 20 OE 19 Al0 1B CE 17 1/08 16 1107 15 1106 14 1105 13 1104 PIN NAMES AO-Al0 'WE Address Inputs Write Enable DE CE 1/01-I/OB VCC Output Enable Chip Enable Data InputlOutput Power (+5V) GND Ground TRUTH TABLE CE OE WE MODE 110 ICC H X X NOT SELECTED HZ STANDBY L H H ' ' NDT SELECTED HZ ACTIVE L L H READ DOUT ACTIVE L X L WRITE. DIN AC.