W55206B Winbond, W55206B Datasheet

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W55206B

Manufacturer Part Number
W55206B
Description
Manufacturer
Winbond
Datasheet
GENERAL DESCRIPTION
The W55206B is a normal speed, low power CMOS static RAM organized as 128K
operates on a single 5V power supply. Manufactured using Winbond's high performance CMOS
technology, the W55206B is designed for extensive use in voice recording applications.
FEATURES
PIN CONFIGURATION
PIN DESCRIPTION
Single 3.6V to 5.5V power supply
Low power consumption
Fully static operation
Low data retention voltage
Easy to cascade
NO.
6
7
V
PIN
CS
DD
PWR
I/O
I
SERIAL VOICE SRAM (128K
Positive power supply
Chip-inhibit for CS = 1; chip-select for CS = 0 or open (with internal
pull-low resistor)
EOP
V
W/R
NC
NC
NC
NC
NC
CS
DD
1
2
3
4
5
6
7
8
9
- 1 -
18
17
16
15
14
13
12
10
11
DESCRIPTION
NC
NC
NC
NC
NC
CLK
DATA
V
ADDR
SS
Publication Release Date: September 1996
W55206B
1 BIT)
Revision A1
1 bit that

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W55206B Summary of contents

Page 1

... GENERAL DESCRIPTION The W55206B is a normal speed, low power CMOS static RAM organized as 128K operates on a single 5V power supply. Manufactured using Winbond's high performance CMOS technology, the W55206B is designed for extensive use in voice recording applications. FEATURES Single 3.6V to 5.5V power supply ...

Page 2

... Write-in control for W read-out control for W End signal output Clock input for start address Bidirectional data pin Clock input for address increment Ground Control Circuits 128K x 1 bit Address Controller MODE DATA PIN Not selected High Z Write Data in Read Data out - 2 - W55206B EOP SRAM V CURRENT ...

Page 3

... In read-out operation, the EOP pin will generate one pulse signal when the final address of the SRAM chip is encountered. The timing of the loading start address for write-in/read-out operations is shown below: Load start address for write-in/read-out operations: CS ADDR CLK DATA EOP Write-in operation: CS W/R ADDR CLK DATA EOP ... ... ... ... 128K Publication Release Date: September 1996 - 3 - W55206B Revision A1 ...

Page 4

... Supply Voltage Input Voltage Output Voltage Operating Temperature Storage Temperature Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. ... ... 128K SYMBOL RATING -0 +70 OPR T -55 to +150 STG - 4 - W55206B T EP UNIT V +0 ...

Page 5

... SYMBOL CONDITIONS Write mode WH T Read mode Read mode RA T Write mode Read mode SUR T - SUW (For reference only W55206B LIMIT MIN. TYP. MAX. 3.6 5.0 5 2 2.8 - 6.0 -0 MIN. TYP MAX 250 - - 250 - - 100 - - 400 - - 600 - - 300 ...

Page 6

... W51205901A/W51205903A substrate connected W55206B substrate connected Headquarters No. 4, Creation Rd. III, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5770066 FAX: 886-3-5792697 http://www.winbond.com.tw/ Voice & Fax-on-demand: 886-2-7197006 Taipei Office 11F, No. 115, Sec. 3, Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-7190505 FAX: 886-2-7197502 Note: All data and specifications are subject to change without notice. ...

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