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參數(shù)資料
| 型號(hào)： | CAT93C56XI-T3 |
| 英文描述： | 2-Kb Microwire Serial CMOS EEPROM |
| 中文描述： | 2 KB的Microwire串行EEPROM中的CMOS |
| 文件頁(yè)數(shù)： | 7/18頁(yè) |
| 文件大小： | 370K |
| 代理商： | CAT93C56XI-T3 |
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CAT93C56, CAT93C57
Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
7
Doc. No. MD-1088 Rev. P
Read
Upon receiving a READ command and an address
(clocked into the DI pin), the DO pin of the
CAT93C56/57 will come out of the high impedance
state and, after sending an initial dummy zero bit, will
begin shifting out the data addressed (MSB first). The
output data bits will toggle on the rising edge of the
SK clock and are stable after the specified time delay
(t
PD0
or t
PD1
).
For the CAT93C56/57, after the initial data word has
been shifted out and CS remains asserted with the SK
clock continuing to toggle, the device will auto-
matically increment to the next address and shift out
the next data word in a sequential READ mode. As
long as CS is continuously asserted and SK continues
to toggle, the device will keep incrementing to the next
address automatically until it reaches to the end of the
address space, then loops back to address 0. In the
sequential READ mode, only the initial data word is
preceeded by a dummy zero bit. All subsequent data
words will follow without a dummy zero bit. The READ
instruction timing is illustrated in Figure 2.
Erase/Write Enable and Disable
The CAT93C56/57 powers up in the write disable state.
Any writing after power-up or after an EWDS (erase/write
disable) instruction must first be preceded by the EWEN
(erase/write enable) instruction. Once the write
instruction is enabled, it will remain enabled until power
to the device is removed, or the EWDS instruction is
sent. The EWDS instruction can be used to disable all
CAT93C56/57 write and erase instructions, and will
prevent any accidental writing or clearing of the device.
Data can be read normally from the device regardless of
the write enable/disable status. The EWEN and EWDS
instructions timing is shown in Figure 3.
Figure 2. READ Instruction Timing
Figure 3. EWEN/EWDS Instruction Timing
SK
CS
DI
DO
HIGH-Z
1
1
0
AN
AN–1
A0
Dummy 0
D15 . . .D0
or
D7 . . .D0
Address + 1
D15 . . .D0
or
D7 . . .D0
Address + 2
D15 . . .D0
or
D7 . . .D0
Address + n
D15 . . .
D7 . . .
Don't Care
t
PD0
CS
DI
STANDBY
1
0
0
*
* ENABLE = 11
DISABLE = 00
SK
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| CAT93C56YI-GT3 | 2-Kb Microwire Serial CMOS EEPROM |
| CAT93C56YI-T2 | 2-Kb Microwire Serial CMOS EEPROM |
| CAT93C56YI-T3 | 2-Kb Microwire Serial CMOS EEPROM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT93C56XIT3E | 制造商:CATALYST 制造商全稱(chēng):Catalyst Semiconductor 功能描述:2K-Bit Microwire Serial EEPROM |
| CAT93C56XI-TE13 | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:EEPROM |
| CAT93C56X-TE13 | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:EEPROM |
| CAT93C56Y | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (256x8) (128x16) 2K RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT93C56Y-1.8 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 (256x8) (128x16) 2K RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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