93C56B-I/SN Microchip Technology, 93C56B-I/SN Datasheet - Page 5

• Manufacturer Part Number: 93C56B-I/SN
• Description: IC EEPROM 2KBIT 2MHZ 8SOIC
• Manufacturer: Microchip Technology

Specifications of 93C56B-I/SN

• Memory Size: 2K (128 x 16)
• Package / Case: 8-SOIC (3.9mm Width)
• Operating Temperature: -40°C ~ 85°C
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 2MHz
• Interface: Microwire, 3-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Organization: 128 K x 16
• Interface Type: Microwire
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 2 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 4.5 V, 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 93C56B-I/SNG; 93C56B-I/SNG; 93C56B-I/SNR; 93C56B-I/SNR

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