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EM564161BA-85 Datasheet(PDF) 1 Page - Etron Technology, Inc. |
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EM564161BA-85 Datasheet(HTML) 1 Page - Etron Technology, Inc. |
1 / 13 page EtronTech EM564161 Etron Technology, Inc. No. 6, Technology Rd. V, Science-Based Industrial Park, Hsinchu, Taiwan 30077, R.O.C. TEL: (886)-3-5782345 FAX: (886)-3-5778671 Etron Technology, Inc., reserves the right to make changes to its products and specifications without notice. 256K x 16 Low Power SRAM Preliminary, Rev 2.6 10/2000 Features • Single power supply voltage of 2.3V to 3.6V • Power down features using CE1# and CE2 • Low power dissipation • Data retention supply voltage: 1.0V to 3.6V • Direct TTL compatibility for all input and output • Wide operating temperature range: -40°C to 85°C • Standby current @ VDD = 3.6 V IDDS2 Typical Maximum EM564161BA/BC-70/85 1 µA 10 µA EM564161BA-70E/85E 5 µA 80 µA Ordering Information Part Number Speed IDDS2 Package EM564161BC-70 70 ns 10 µA 6x8 BGA EM564161BA-70 70 ns 10 µA 8x10 BGA EM564161BA-70E 70 ns 80 µA 8x10 BGA EM564161BC-85 85 ns 10 µA 6x8 BGA EM564161BA-85 85 ns 10 µA 8x10 BGA EM564161BA-85E 85 ns 80 µA 8x10 BGA Overview Pin Configuration 48-Ball BGA (CSP), Top View 1 2 3 4 5 6 A B C D E F G H LB# OE# A0 A1 A2 CE2 NC A8 A9 A10 A11 NC DQ15 NC A12 A13 W E# DQ7 DQ14 DQ13 A14 A15 DQ5 DQ6 VDD DQ12 NC A16 DQ4 GN D DQ8 UB# A3 A4 CE1# DQ0 DQ9 DQ10 A5 A6 DQ1 DQ2 GND DQ11 A17 A7 DQ3 VD D Pin Description Symbol Function A0 - A17 Address Inputs DQ0 - DQ15 Data Inputs / Outputs CE1#, CE2 Chip Enable Inputs OE# Output Enable WE# Read / Write Control Input LB#, UB# Data Byte Control Inputs GND Ground VDD Power Supply NC No Connection The EM564161 is a 4,194,304-bit SRAM organized as 262,144 words by 16 bits. It is designed with advanced CMOS technology. This Device operates from a single 2.3V to 3.6V power supply. Advanced circuit technology provides both high speed and low power. It is automatically placed in low-power mode when chip enable (CE1#) is asserted high or (CE2) is asserted low. There are three control inputs. CE1# and CE2 are used to select the device and for data retention control, and output enable (OE#) provides fast memory access. Data byte control pin (LB#,UB#) provides lower and upper byte access. This device is well suited to various microprocessor system applications where high speed, low power and battery backup are required. And, with a guaranteed operating range from -40 °C to 85°C, the EM564161 can be used in environments exhibiting extreme temperature conditions. |
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