93AA56A-I/SN Microchip Technology, 93AA56A-I/SN Datasheet - Page 8
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93AA56A-I/SN
Manufacturer Part Number
93AA56A-I/SN
Description
IC EEPROM 2KBIT 2MHZ 8SOIC
Manufacturer
Microchip Technology
Specifications of 93AA56A-I/SN
Memory Size
2K (256 x 8)
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
1MHz, 2MHz
Interface
Microwire, 3-Wire Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (3.9mm Width)
Clock Frequency
3MHz
Supply Voltage Range
1.8V To 5.5V
Memory Case Style
SOIC
No. Of Pins
8
Operating Temperature Range
-40°C To +85°C
Svhc
No SVHC (15-Dec-2010)
Package /
RoHS Compliant
Memory Configuration
256 X 8
Interface Type
Serial, 3-Wire, Microwire
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
93AA56A-I/SN
Manufacturer:
MCP
Quantity:
2 000
93AA56A/B/C, 93LC56A/B/C, 93C56A/B/C
2.5
The Erase All (ERAL) instruction will erase the entire
memory array to the logical ‘1’ state. The ERAL cycle
is identical to the erase cycle, except for the different
opcode. The ERAL cycle is completely self-timed and
commences at the falling edge of the CS, except on
‘93C’ devices where the rising edge of CLK before the
last data bit initiates the write cycle. Clocking of the
CLK pin is not necessary after the device has entered
the ERAL cycle.
FIGURE 2-3:
FIGURE 2-4:
DS21794E-page 8
CLK
CLK
DO
DO
CS
DI
CS
DI
V
CC
Erase All (ERAL)
High-Z
High-Z
must be ≥ 4.5V for proper operation of ERAL.
1
1
ERAL TIMING FOR 93AA AND 93LC DEVICES
ERAL TIMING FOR 93C DEVICES
0
0
0
0
1
1
0
0
x
x
•••
•••
The DO pin indicates the Ready/Busy status of the
device, if CS is brought high after a minimum of 250 ns
low (T
V
x
x
CC
Note:
T
T
must be ≥ 4.5V for proper operation of ERAL.
CSL
CSL
CSL
).
After the ERAL command is complete,
issuing a Start bit and then taking CS low
will clear the Ready/Busy status from DO.
T
EC
T
T
T
SV
EC
SV
Check Status
Check Status
Busy
Busy
© 2007 Microchip Technology Inc.
Ready
Ready
High-Z
High-Z
T
T
CZ
CZ