Rev.3.3
_00
2-WIRE CMOS SERIAL E
2
PROM
S-24CS64A
The S-24CS64A is a 2-wired, low power and wide
range operation 64 K-bit E
2
PROM organized as 8192
words
×
8 bits.
Page write and sequential read are available.
Features
•
Low power consumption Standby : 5.0
µA
Max. (V
CC
=
5.5 V)
Read :
0.8 mA Max. (V
CC
=
5.5 V)
•
Operating voltage range Read :
1.8 to 5.5 V
Write :
2.7 to 5.5 V
•
Page write :
32 bytes / page
•
Sequential read
•
Operating Frequency :
400 kHz (V
CC
= 5 V±10 %)
•
Write disable function when power supply voltage is low
•
Endurance:
10
6
cycles/word
*1
(at
+25°C)
write capable,
10
5
cycles/word
*1
(at
+85°C)
*1.
For each address (Word: 8 bits)
•
Data retention:
10 years (after rewriting 10
5
cycles/word at
+85°C)
•
Write protection :
100 %
•
Lead-free products
Packages
Package name
8-Pin SOP (JEDEC)
8-Pin TSSOP
WLP-8C
Package
FJ008-A
FT008-A
HC008-A
Drawing code
Tape
FJ008-D
FT008-E
HC008-A
Reel
FJ008-D
FT008-E
HC008-A
Caution This product is intended to use in general electronic devices such as consumer electronics,
office equipment, and communications devices. Before using the product in medical
equipment or automobile equipment including car audio, keyless entry and engine control
unit, contact to SII is indispensable.
Seiko Instruments Inc.
1
2-WIRE CMOS SERIAL E
2
PROM
S-24CS64A
Rev.3.3
_00
Pin Configurations
8-Pin SOP (JEDEC)
Top view
A0
A1
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
Table 1
Pin No.
1
2
3
4
5
6
7
8
Symbol
A0
A1
A2
GND
SDA
SCL
WP
VCC
Description
Slave address input
Slave address input
Slave address input
Ground
Serial data input / output
Serial clock input
Write protection input
Connected to V
CC
: Protection valid
Connected to GND: Protection invalid
Power supply
Figure 1
S-24CS64A0I-J8T1G
Remark
See Dimensions for details of the package drawings.
8-Pin TSSOP
Top view
A0
A1
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
Table 2
Pin No.
1
2
3
4
5
6
7
Symbol
A0
A1
A2
GND
SDA
SCL
WP
VCC
Description
Slave address input
Slave address input
Slave address input
Ground
Serial data input / output
Serial clock input
Write protection input
Connected to V
CC
: Protection valid
Connected to GND: Protection invalid
Power supply
Figure 2
S-24CS64A0I-T8T1G
8
Remark
See Dimensions for details of the package drawings.
2
Seiko Instruments Inc.
Rev.3.3
_00
2-WIRE CMOS SERIAL E
2
PROM
S-24CS64A
WLP-8C
Bottom view
Pin No.
1
2
3
4
5
6
7
8
Symbol
A0
VCC
WP
SCL
SDA
GND
A2
A1
Table 3
Description
Slave address input
Power supply
Write protection input
Connected to V
CC
: Protection valid
Connected to GND: Protection invalid
Serial clock input
Serial data input / output
Ground
Slave address input
Slave address input
2
1
3
A0 VCC WP
8
4
SCL
A1
7
5
6
A2 GND SDA
(1.94×1.97×0.6 max.)
Figure 3
S-24CS64A0I-H8T1
Remark
See Dimensions for details of the package drawings.
Seiko Instruments Inc.
3
2-WIRE CMOS SERIAL E
2
PROM
S-24CS64A
Rev.3.3
_00
Block Diagram
WP
Start / Stop
Detector
Serial Clock
Controller
LOAD
Device Address
Comparator
A2
A1
A0
R/W
Address
Counter
X Decoder
COMP
Data Register
LOAD
INC
E PROM
2
SCL
SDA
VCC
GND
Voltage Detector
High-Voltage Generator
Y Decoder
Selector
D
IN
D
OUT
Data Output
ACK Output
Controller
Figure 4
Absolute Maximum Ratings
Table 4
Item
Power supply voltage
Input voltage
Output voltage
Operating ambient temperature
Storage temperature
Symbol
V
CC
V
IN
V
OUT
T
opr
T
stg
Ratings
−0.3
to
+7.0
−0.3
to V
CC
+0.3
−0.3
to V
CC
−40
to
+85
−65
to
+150
Unit
V
V
V
°C
°C
Caution The absolute maximum ratings are rated values exceeding which the
product could suffer physical damage. These values must therefore not
be exceeded under any conditions.
4
Seiko Instruments Inc.
Rev.3.3
_00
2-WIRE CMOS SERIAL E
2
PROM
S-24CS64A
Recommended Operating Conditions
Table 5
Item
Power supply voltage
Symbol
V
CC
Conditions
Read Operation
Write Operation
High level input voltage
Low level input voltage
V
IH
V
IL
V
CC
=
2.5 to 5.5 V
V
CC
=
1.8 to 2.5 V
V
CC
=
2.5 to 5.5 V
V
CC
=
1.8 to 2.5 V
Min.
1.8
2.7
0.7×V
CC
0.8×V
CC
0.0
0.0
Typ.
Max.
5.5
5.5
V
CC
V
CC
0.3×V
CC
0.2×V
CC
Unit
V
V
V
V
V
V
Pin Capacitance
Table 6
(Ta
=
25°C, f
=
1.0 MHz, V
CC
=
5 V)
Item
Input capacitance
Input/output capacitance
Symbol
C
IN
C
I / O
Conditions
V
IN
=
0 V (SCL, A0, A1, A2, WP)
V
I / O
=
0 V (SDA)
Min.
—
—
Typ.
—
—
Max.
10
10
Unit
pF
pF
Endurance
Table 7
Item
Symbol
Operation temperature
Min.
10
5
Typ.
—
Max.
—
Unit
cycles / word
*1
Endurance
N
W
−40
to
+85°C
*1.
For each address (Word: 8 bits)
Seiko Instruments Inc.
5
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