93LC56B-I/ST Microchip Technology, 93LC56B-I/ST Datasheet - Page 5
![IC EEPROM 2KBIT 3MHZ 8TSSOP](/photos/6/59/65937/c04-086_st_sml.jpg)
93LC56B-I/ST
Manufacturer Part Number
93LC56B-I/ST
Description
IC EEPROM 2KBIT 3MHZ 8TSSOP
Manufacturer
Microchip Technology
Specifications of 93LC56B-I/ST
Memory Size
2K (128 x 16)
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
2MHz, 3MHz
Interface
Microwire, 3-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-TSSOP
Memory Configuration
128 X 16
Ic Interface Type
Microwire
Clock Frequency
3MHz
Supply Voltage Range
2.5V To 5.5V
Memory Case Style
TSSOP
No. Of Pins
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
FIGURE 1-1:
TABLE 1-3: INSTRUCTION SET FOR X16 ORGANIZATION (93XX56B OR 93XX56C WITH ORG = 1)
TABLE 1-4: INSTRUCTION SET FOR X8 ORGANIZATION (93XX56A OR 93XX56C WITH ORG = 0)
© 2008 Microchip Technology Inc.
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
Instruction
Instruction
(Program)
Note: T
(Read)
CLK
DO
DO
CS
93AA56A/B/C, 93LC56A/B/C, 93C56A/B/C
DI
SV
is relative to CS.
V
V
V
V
V
V
V
V
V
V
OL
OH
OL
OH
SB
SB
IH
IH
IL
IL
IH
IL
1
1
1
1
1
1
1
1
1
1
1
1
1
1
T
SYNCHRONOUS DATA TIMING
T
Opcode
Opcode
DIS
SV
11
00
00
00
10
01
00
11
00
00
00
10
01
00
T
CSS
X A7 A6 A5 A4 A3 A2 A1 A0
1
0
1
X A7 A6 A5 A4 A3 A2 A1 A0
X A7 A6 A5 A4 A3 A2 A1 A0
0
X
X
X
1
0
1
0
0
0
1
1
A6 A5 A4 A3 A2 A1 A0
A6 A5 A4 A3 A2 A1 A0
A6 A5 A4 A3 A2 A1 A0
0
0
1
1
X
X
X
X
X
X
X
X
T
CKH
T
Address
X
X
X
X
Address
T
PD
X
X
X
X
DIH
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Status Valid
X
X
X
X
T
CKL
X
X
X
X
X
X
X
X
D15 – D0
D15 – D0
Data In
D7 – D0
D7 – D0
Data In
—
—
—
—
—
—
—
—
—
—
(RDY/
(RDY/
(RDY/
(RDY/
D15 – D0
Data Out
(RDY/
(RDY/
(RDY/
(RDY/
High-Z
High-Z
Data Out
D7 – D0
High-Z
High-Z
T
PD
BSY
BSY
BSY
BSY
BSY
BSY
BSY
BSY
)
)
)
)
)
)
)
)
Req. CLK Cycles
DS21794F-page 5
Req. CLK
Cycles
T
T
11
11
11
11
27
27
27
12
12
12
12
20
20
20
T
CZ
CZ
CSH