參數(shù)資料
型號: AT93C86-10PI-2.7
英文描述: Microwire Serial EEPROM
中文描述: 微型導(dǎo)線串行EEPROM
文件頁數(shù): 2/15頁
文件大小: 217K
代理商: AT93C86-10PI-2.7
2
AT93C46/56/66
3264A
SEEPR
01/02
Description (Continued)
The AT93C46/56/66 is enabled through the Chip Select pin (CS), and accessed via a
3-wire serial interface consisting of Data Input (DI), Data Output (DO), and Shift Clock
(SK). Upon receiving a READ instruction at DI, the address is decoded and the data is
clocked out serially on the data output pin DO. The WRITE cycle is completely self-
timed and no separate ERASE cycle is required before WRITE. The WRITE cycle is
only enabled when the part is in the ERASE/WRITE ENABLE state. When CS is brought
high
following the initiation of a WRITE cycle, the DO pin outputs the READY/BUSY
status of the part.
The AT93C46/56/66 is available in 4.5V to 5.5V and 2.7V to 5.5V versions.
Block Diagram
Notes:
1. When the ORG pin is connected to VCC, the x 16 organization is selected. When it is connected to ground, the x 8 organiza-
tion is selected. If the ORG pin is left unconnected and the application does not load the input beyond the capability of the
internal 1 Meg ohm pullup, then the x 16 organization is selected.
2. For the AT93C46, if x 16 organization is the mode of choice and Pin 6 (ORG) is left unconnected, Atmel recommends using
the AT93C46A device. For more details, see the AT93C46A datasheet.
Absolute Maximum Ratings*
Operating Temperature.................................. -55
°
C to +125
°
C
*NOTICE:
Stresses beyond those listed under
Absolute
Maximum Ratings
may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability
Storage Temperature..................................... -65
°
C to +150
°
C
Voltage on Any Pin
with Respect to Ground .....................................-1.0V to +7.0V
Maximum Operating Voltage .......................................... 6.25V
DC Output Current........................................................ 5.0 mA
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