EM564166 Etron Technology Inc., EM564166 Datasheet

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EM564166

Manufacturer Part Number
EM564166
Description
256k X 16 Low Power Sram
Manufacturer
Etron Technology Inc.
Datasheet
EtronTech
Features
• Single power supply voltage of 2.7V to 3.6V
• Power down features using CE#
• Low power dissipation
• Data retention supply voltage: 1.5V 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
Ordering Information
Pin Configuration
48-Ball BGA (CSP), Top View
Overview
The EM564166 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 2.7V 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 (CE#)
is asserted high. There are two control inputs. CE# 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
EM564166 can be used in environments exhibiting extreme temperature conditions.
Etron Technology, Inc.
No. 6, Technology Rd. V, Science-Based Industrial Park, Hsinchu, Taiwan 30077, R.O.C.
TEL: (886)-3-5782345
Etron Technology, Inc., reserves the right to make changes to its products and specifications without notice.
EM564166BC/TS-55G
EM564166BC/TS-70G
EM564166BC/TS-85G
Part Number
Speed
55 ns
70 ns
85 ns
FAX: (886)-3-5778671
I
35 µA
35 µA
35µA
DDS2
48-Ball BGA
44-L TSOP
Package
44-L TSOP II, Top View
Pin Description
Symbol
A0 - A17
DQ0 - DQ15
CE#
OE#
WE#
LB#, UB#
GND
V
NC
DD
256K x 16 Low Power SRAM
Preliminary, Rev 1.6
Function
Address Inputs
Data Inputs / Outputs
Chip Enable Inputs
Output Enable
Read / Write Control Input
Data Byte Control Inputs
Ground
Power Supply
No Connection
EM564166
Dec/2007

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EM564166 Summary of contents

Page 1

... BGA (CSP), Top View Overview The EM564166 is a 4,194,304-bit SRAM organized as 262,144 words by 16 bits designed with advanced CMOS technology. This Device operates from a single 2.7V to 3.6V power supply. Advanced circuit technology provides both high speed and low power automatically placed in low-power mode when chip enable (CE#) is asserted high ...

Page 2

... EtronTech Block Diagram Preliminary 2 Rev 1.6 EM564166 Dec. 2007 ...

Page 3

... High High-Z -0.3 to +4.6V -0.3 to +4.6V -0 +0.5V -40 to +85°C -55 to +150°C 260°C 0.6 W Min 2.7 2.7 (2) -0.3 1.5 3 EM564166 DQ8~DQ15 D OUT D OUT High High-Z High-Z High-Z Typ Max − 3.6 (1) − 0.3 − 0.6 − 3.6 Rev 1.6 Dec. 2007 Unit ...

Page 4

... Notes: This parameter is periodically sampled and is not 100% tested. Preliminary Test Conditions Cycle time = min Cycle time = 1µs -55/70/85 Min Typ Max Unit − − − − EM564166 Min - 0.15 − 3.6 V − − 3.6 V Test Conditions GND V OUT = GND Rev 1.6 Max Unit µA 1 0.4 V − ...

Page 5

... EM564166 -70 -55 Max Min Max Min Max − − − − − − − − − − − − ...

Page 6

... EtronTech Read Cycle (See Note 1) Preliminary 6 Rev 1.6 EM564166 Dec. 2007 ...

Page 7

... EtronTech Write Cycle1 (WE# Controlled)(See Note 4) Preliminary 7 Rev 1.6 EM564166 Dec. 2007 ...

Page 8

... EtronTech Write Cycle 2 (CE# Controlled)(See Note 4) Preliminary 8 Rev 1.6 EM564166 Dec. 2007 ...

Page 9

... If CE# goes HIGH coincident with or before WE# goes HIGH, the outputs will remain at high impedance OE# is HIGH during the write cycle, the outputs will remain at high impedance. 5. Because I/O signals may be in the output state at this time, input signals of reverse polarity must not be applied. Preliminary 9 Rev 1.6 EM564166 Dec. 2007 ...

Page 10

... CE# Controlled Data Retention Mode Note: 1. CE# ≥ V – 0.2V or UB# = LB# ≥ Preliminary Parameter CE# ≥ 0.2V, DD VIN ≥ 0.2V or VIN ≤ 0.2V DD VDD = 1.5V, CE# ≥ 0.2V, VIN DD ≥ 0.2V or VIN ≤ 0.2V DD – 0. EM564166 Min Max Unit 1.5 3.6 V − µA 35 − − Rev 1.6 Dec. 2007 ...

Page 11

... EtronTech Package Diagrams 48-Ball (6mm x 8mm) BGA Units in mm TOP VIEW PIN 1 CORNER SEATING PLANE Preliminary 0.20(4X) 0.10 11 EM564166 BOTTOM VIEW PIN 1 CORNER 0. 0. 0.30 0.05(48X 0.75 3.75 Rev 1.6 Dec. 2007 ...

Page 12

... Dimension in inch Max Min Nom 1.2 --- --- 0.047 0.2 0.002 --- 0.008 1.1 0.035 0.039 0.043 0.45 0.009 --- 0.018 --- --- 0.031 0.21 0.004 0.005 0.008 18.54 0.720 0.725 0.730 10.29 0.395 0.400 0.405 11.96 0.455 0.463 0.471 0.75 0.016 --- 0.032 BASIC --- --- 0.01 10 ° 0 ° --- 0.03 REF 0.10 --- --- 0.004 12 EM564166 θ DETAIL Max --- 0.03 --- 10 ° Rev 1.6 Dec. 2007 ...

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