24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 1 of 12
Rev 1.0 Dec. 26, 2001
!
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The 24LC02 is non-volatile, 2048-bit serial EEprom
to all
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24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 2 of 12
Rev 1.0 Dec. 26, 2001
!
START
STOP
LOGIC
CONTROL
LOGIC
SLAVE
ADDRESS
REGISTER
&
COMPARATOR
WORD
ADDRESS
COUNTER
H.V.
GENERATION
TIMING
&
CONTROL
XDEC
EEPROM
ARRAY
DATA
BIT
64X4X8
YDEC
DATA
REGISTER
DOUT
ACK
SDA
SCL
A0
A1
A2
VCC
VSS
Din
R/W ~
2
8
Dout
4
64
6
inc
load
ck
start cycle
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24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 3 of 12
Rev 1.0 Dec. 26, 2001
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24LC02
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24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 4 of 12
Rev 1.0 Dec. 26, 2001
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Ceramate's electrically erasable programmable read only memories(EEPROMs) offer valuable security features including
1
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24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 5 of 12
Rev 1.0 Dec. 26, 2001
*
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24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 6 of 12
Rev 1.0 Dec. 26, 2001
!
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24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 7 of 12
Rev 1.0 Dec. 26, 2001
8* 3
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24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 8 of 12
Rev 1.0 Dec. 26, 2001
!
#
7* 6
Figure 3. Acknowledge Response from Receiver
8
1
9
ACKNOWLEDGE
START
SCL FROM MASTER
DATA OUTPUT FROM
TRANSMITTER
DATA OUTPUT FROM
RECEIVER
SCL
Figure 1. Data Validity
SDA
IN
Tf
Thd:Sta
Thd:Dat
Tsu:Dat
Tbuf
Tlow
Thigh
Tlow
Tr
Tsu:Sta
Tsu:Sta
SDA
OUT
Tdh
Taa
DATA STABLE
DATA
CHANGE
SDA
SCL
Figure 2. Definition of Start and Stop
BIT
STOP
START
BIT
SDA
SCL
24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 9 of 12
Rev 1.0 Dec. 26, 2001
DATA
P
A
C
K
Figure 6. Current Address Read for Data
s
BUS ACTIVITY
SLAVE
SDA
LINE
BUS ACTIVITY
MASTER
SLAVE
ADDRESS
STOP
START
S
A
C
K
DATA n
A
C
K
DATA n+1
A
C
K
DATA n+x
P
Figure 8. Sequential Read for Data
BUS ACTIVITY
SLAVE
SDA
LINE
BUS ACTIVITY
MASTER
SLAVE
ADDRESS
START
STOP
P
S
S
A
C
K
A
C
K
A
C
K
DATA n
Figure 7. Random Read for Data
BYTE
ADDRESS n
SLAVE
ADDRESS
STOP
START
SLAVE
ADDRESS
START
BUS ACTIVITY
SLAVE
SDA
LINE
BUS ACTIVITY
MASTER
Figure 5. Page Write for Data
BUS ACTIVITY
SLAVE
SDA
LINE
BUS ACTIVITY
MASTER
DATA n
BYTE
ADDRESS n
SLAVE
ADDRESS
STOP
START
DATA n+7
A
C
K
A
C
K
A
C
K
A
C
K
S
P
DATA n
BYTE
ADDRESS
SLAVE
ADDRESS
A
C
K
A
C
K
A
C
K
BUS ACTIVITY
SLAVE
SDA
LINE
BUS ACTIVITY
MASTER
Figure 4. Byte Write for Data
S
P
STOP
START
No
A
C
K
A
C
K
No
A
C
K
No
24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 10 of 12
Rev 1.0 Dec. 26, 2001
7
15 (4X)
(4X)
E1
D
PIN #1 INDENT O0.025 DEEP 0.006-0.008
E-PIN O0.118 NOTE 9
A
L
A2
A1
B2
B1
B
e
S
E
C
eB
DIMENSIONS IN MILLIMETERS
DIMENSIONS IN INCHS
SYMBOL
MIN
NOM
MAX
MIN
NOM
MAX
A
-
-
5.33
-
-
0.210
A1
0.38
-
-
0.015
-
-
A2
3.25
3.30
3.45
0.128
0.130
0.136
B
0.36
0.46
0.56
0.014
0.018
0.022
B1
1.14
1.27
1.52
0.045
0.050
0.060
B2 0.81 0.99 1.17 0.032 0.039 0.046
C
0.20
0.25
0.33
0.008
0.010
0.013
D
9.12
9.30
9.53
0.359
0.366
0.375
E 7.62 - 8.26 0.300 - 0.325
E1 6.20 6.35 6.60 0.244 0.250 0.260
e
-
2.54
-
-
0.100
-
L
3.18
-
-
0.125
-
-
Eb 8.38 - 9.40 0.330 - 0.370
s 0.71 0.84 0.97 0.028 0.033 0.038
!
Paclage Information
24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 11 of 12
Rev 1.0 Dec. 26, 2001
A
0.015x45
VIEW "A"
L
H
E
A2
A1
B
e
y
7 (4X)
D
C
7 (4X)
VIEW "A"
DIMENSIONS IN MILLIMETERS
DIMENSIONS IN INCHS
SYMBOL
MIN
NOM
MAX
MIN
NOM
MAX
A
1.47
1.60
1.73
0.058
0.063
0.068
A1
0.10
-
0.25
0.004
-
0.010
A2
-
1.45
-
-
0.057
-
B
0.33
0.41
0.51
0.013
0.016
0.020
C
0.19
0.20
0.25
0.0075
0.008
0.0098
D
4.80
4.85
4.95
0.189
0.191
0.195
E
3.81
3.91
3.99
0.150
0.154
0.157
e
-
1.27
-
-
0.050
-
H
5.79
5.99
6.20
0.228
0.236
0.244
L
0.38
0.71
1.27
0.015
0.028
0.050
Y
-
-
0.10
-
-
0.004
0
o
- 8
o
0
o
- 8
o
24LC02
2048-Bits Serial EEPROM with Write Protect
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525 Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 12 of 12
Rev 1.0 Dec. 26, 2001
A
E
E1
b
y
e
C
DETAIL A
DETAIL A
L 1
L
E1 L1
A2
A1
D
PIN 1 INDICATOR O0.70
SURFACE POLISHED
DIMENSIONS IN MILLIMETERS
SYMBOLS
MIN
NOM
MAX
A
1.05
1.10
1.20
A1
0.05
0.10
0.15
A2
-
1.00
1.05
B
0.20
0.25
0.28
C
-
0.127
-
D
2.90
3.05
3.10
E
6.20
6.40
6.60
E1
4.30
4.40
4.50
E
-
0.65
-
L
0.50
0.60
0.70
L1
0.90
1.00
1.10
Y
-
-
0.10
0
o
4
o
8
o
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