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參數(shù)資料
| 型號(hào)： | BR9080RFV |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | 8k, 16k bit EEPROMs for direct connection to serial ports |
| 中文描述： | 分為8K，16K，可直接連接到串行端口位的EEPROM |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大?。?/td> | 121K |
| 代理商： | BR9080RFV |
BR9080 / BR9080F / BR9080RFV /
Memory ICs
BR9016 / BR9016F / BR9016RFV
(5) READY / BUSY display (R / B pin and DO pin: BR9080 / F / RFV, BR9016 / F / RFV)
1) This display outputs the internal status signal; the R / B pin outputs the HIGH or LOW status at all times. The display
can also be output from the DO pin. Following completion of the writing command, if CS falls while SK is LOW, either
HIGH or LOW is output. (The display can also be output without using the R / B pin, leaving it open.)
2) When writing data to a memory cell, the READY / BUSY display is output from the rise of the 32nd clock pulse of the
SK signal after t
SV
, from the R / B pin.
R / B display = LOW: writing in progress
(The internal timer circuit is activated, and after the t
E / W
timing has been created, the timer circuit stops automatically.
Writing of data to the memory cell is done during the t
E / W
timing, during which time other commands cannot be
received.)
R / B display = HIGH: command standby state
(Writing of data to the memory cell has been completed and the next command can be received.)
Fig.8 R / B Status Output timing chart
SK
CS
DI
DO
READY
READY
READY
BUSY
t
PD
t
OZ
BUSY
Write command
Clock
R / B
HIGH-Z
HIGH-Z
1) D0 will output R / B status after CS is held low during SK=L, until CS is held high.
Note : The document may be strategic technical data subject to COCOM regulations.
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