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MSM6684B

OKI electronic componets
Part Number MSM6684B
Manufacturer OKI electronic componets
Description 8388608-Word x 1-Bit Serial Register
Published Nov 14, 2005
Detailed Description E2D0035-39-21 ¡ Semiconductor ¡ Semiconductor MSM6684B 4,194,304-word x 1-bit Serial Register This version: MSM6684B F...
Datasheet PDF File MSM6684B PDF File

MSM6684B
MSM6684B

Overview
E2D0035-39-21 ¡ Semiconductor ¡ Semiconductor MSM6684B 4,194,304-word x 1-bit Serial Register This version: MSM6684B Feb.
1999 Previous version: May.
1997 GENERAL DESCRIPTION MSM6684B is a serial register organized as 4,194,304 words x one bit, characterized by mediumspeed, low power consumption operation.
This device has a built-in internal address generation circuit allowing continuous serial read/write operation by external clock input.
Read/write operation causes the internal address to be incremented automatically by +1.
External address input enables addressing in units of 1024 words.
Furthermore, a refresh timer and a refresh address counter are installed, which makes an external refresh circuit unnecessary.
In addition, this configuration allows lower power consumption.
The device is packaged in 26/20-pin SOJ having a width of 300 mil.
It is well adapted for storing much data by means of a battery backup.
Its combination with our recording and playback LSI enables the easy implementation of a solid recording and playback system.
FEATURES • Configuration 4,194,304 x 1 bit • Serial access operation Serial access time : 1.
5 ms Serial read/write time : 2.
5 ms • Low current drain 150 mA max.
(VCC = 4 V with data stored and under standard conditions) • Refresh operation A self-refresh function is supported.
• Wide operation voltage range Single 3.
5 to 5.
5 V • Addressing Units of 1024 words • Process 0.
45 mm double well CMOS process • Package : 26/20-pin plastic SOJ (SOJ26/20-P-300-1.
27) (Product name : MSM6684BJS) 1/9 ¡ Semiconductor MSM6684B BLOCK DIAGRAM Refresh Timer Row Decoder Address Multiplexer Refresh Address Counter 4, 194, 304 Data Register TAS Row Address Counter Column Decoder SAS I/O Control DIN SAD Row Address Register Column Address Counter Timing Generator DOUT RWCK Write Clock Generator WE 2/9 ¡ Semiconductor PIN CONFIGURATION (TOP VIEW) TEST 1   RWCK 2 NC 3 TEST 4 TEST 5 TEST 9 TEST 10 DIN 11 NC 12 VSS 13 MSM6684B 26...


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