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參數(shù)資料
| 型號： | 24AA256IP |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 256K I 2 C ⑩ CMOS Serial EEPROM |
| 中文描述： | 256K的I 2 C⑩的CMOS串行EEPROM |
| 文件頁數(shù)： | 8/12頁 |
| 文件大小： | 181K |
| 代理商： | 24AA256IP |
24AA256/24LC256
DS21203C-page 8
1998 Microchip Technology Inc.
7.0
ACKNOWLEDGE POLLING
Since the device will not acknowledge during a write
cycle, this can be used to determine when the cycle is
complete (This feature can be used to maximize bus
throughput.) Once the stop condition for a write com-
mand has been issued from the master, the device ini-
tiates the internally timed write cycle. ACK polling can
be initiated immediately. This involves the master send-
ing a start condition, followed by the control byte for a
write command (R/W = 0). If the device is still busy with
the write cycle, then no ACK will be returned. If no ACK
is returned, then the start bit and control byte must be
resent. If the cycle is complete, then the device will
return the ACK, and the master can then proceed with
the next read or write command. See Figure 7-1 for
flow diagram.
FIGURE 7-1:
ACKNOWLEDGE POLLING
FLOW
Send
Write Command
Send Stop
Condition to
Initiate Write Cycle
Send Start
Send Control Byte
with R/W = 0
Did Device
Acknowledge
(ACK = 0)
Next
Operation
NO
YES
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| 24AA32A | 32K 1.8V I 2 C O Serial EEPROM |
| 24AA32A-P | 32K 1.8V I 2 C O Serial EEPROM |
| 24AA32A-SM | 32K 1.8V I 2 C O Serial EEPROM |
| 24AA32A-SN | 32K 1.8V I 2 C O Serial EEPROM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24AA256SC-I/S16K | 制造商:Microchip Technology Inc 功能描述:256K I2C SMARTCARD EE DIE IN W - Gel-pak, waffle pack, wafer, diced wafer on film 制造商:Microchip Technology Inc 功能描述:256K I2C SMARTCARD EE DIE IN WAFFLE PACK, IND, 0 DICE WPAC |
| 24AA256SC-I/W16K | 制造商:Microchip Technology Inc 功能描述:256K I2C SMARTCARD EE WAFER, IND - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24AA256SC-I/WF16K | 制造商:Microchip Technology Inc 功能描述:256K I2C SMARTCARD EE WAF ON F - Gel-pak, waffle pack, wafer, diced wafer on film 制造商:Microchip Technology Inc 功能描述:256K I2C SMARTCARD EE WAF ON FRAME, IND], 0 WAFER WFRAME |
| 24AA256SM | 制造商:MICRO 功能描述:* |
| 24AA256T/SM | 功能描述:電可擦除可編程只讀存儲器 32kx8 - 1.8V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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