Features: • Configuration : 8,388,608 * 1 bit• Serial access operation Serial access time : 1.5 s Serial read/write time : 2.5 s• Low current drain : 200 A max. (VCC = 4 V, at refresh operation, with data stored and under standard conditions)• Refresh operation A self-refre...
MSM6685A: Features: • Configuration : 8,388,608 * 1 bit• Serial access operation Serial access time : 1.5 s Serial read/write time : 2.5 s• Low current drain : 200 A max. (VCC = 4 V, at refr...
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Parameter |
Symbol |
Condition |
Rating |
Unit |
Pin Voltage |
VT |
Against VSS at Ta = 25 °C |
1.0 to +7.0 |
V |
Power Dissipation |
PD |
Ta = 25 °C |
1 |
W |
Short Circuit Current |
IOS |
Ta = 25 °C |
50 |
mA |
Operating Temperature |
Topr |
0 to 70 |
°C | |
Storage Temperature |
Tstg |
55 to 150 |
°C |
The MSM6685A is a serial register composed of 8,388,608 words x one bit, characterized by mediumspeed,low power consumption operation.
This MSM6685A 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 of MSM6685A 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 MSM6685A is packaged in 26-pin SOJ having a width of 300 mil.
MSM6685A is well adapted for storing much data by means of a battery backup. Its combination with OKI's recording and playback IC enables the easy implementation of a solid recording and playback system.