Rev.2.0
_00
2-WIRE CMOS SERIAL E
2
PROM
S-24CS16A
Seiko Instruments Inc.
1
The S-24CS16A is a 2-wired, low power and wide
range operation 16 k bit E
2
PROM organized as 2048
words
8 bits.
Page write and sequential read are available.
Features
Low power consumption Standby: 5.0 A 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:
16 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 (at +25C) write capable,
10
5
cycles/word (at +85C)
Data retention:
10 years (after rewriting 10
5
cycles/word at +85C)
Write protection:
100%
Packages
Package name
Drawing code
Package
Tape Reel
8-Pin DIP
DP008-F
8-Pin SOP (JEDEC)
FJ008-A
FJ008-D
FJ008-D
8-Pin
TSSOP
FT008-A FT008-E FT008-E
WLP-6A
HA006-A HA006-A HA006-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.
2-WIRE CMOS SERIAL E
2
PROM
S-24CS16A
Rev.2.0
_00
Seiko Instruments Inc.
2
Pin Assignments
8-Pin DIP
Top view
Table 1
Pin
Number
Pin
Name
Function
1 NC
No connection
*1
2 NC
No connection
*1
3 A2
TEST pin
*2
4 GND
Ground
5
SDA
Serial data input / output
6
SCL
Serial clock input
7 WP
Write protection input
Connected to V
CC
: Protection
valid
Connected to GND: Protection invalid
8 VCC
Power supply
*1. Connect to GND or V
CC
.
*2. Connect to GND.
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
NC
NC
GND
A2
Figure 1
S-24CS16A0I-D8S1
Remark See Dimensions for details of the package drawings.
8-Pin SOP(JEDEC)
Top view
Table 2
Pin
Number
Pin
Name
Function
1 NC
No connection
*1
2 NC
No connection
*1
3 A2
TEST pin
*2
4 GND
Ground
5
SDA
Serial data input / output
6
SCL
Serial clock input
7 WP
Write protection input
Connected to V
CC
: Protection
valid
Connected to GND: Protection invalid
8 VCC
Power supply
*1. Connect to GND or V
CC
.
*2. Connect to GND.
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
NC
NC
GND
A2
Figure 2
S-24CS16A0I-J8T1
Remark See Dimensions for details of the package drawings.
2-WIRE CMOS SERIAL E
2
PROM
Rev.2.0
_00
S-24CS16A
Seiko Instruments Inc.
3
8-Pin TSSOP
Top view
Table 3
Pin
Number
Pin
Name
Function
1 NC
No connection
*1
2 NC
No connection
*1
3 A2
TEST pin
*2
4 GND
Ground
5
SDA
Serial data input / output
6
SCL
Serial clock input
7 WP
Write protection input
Connected to V
CC
: Protection
valid
Connected to GND: Protection invalid
8 VCC
Power supply
*1. Connect to GND or V
CC
.
*2. Connect to GND.
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
NC
NC
GND
A2
Figure 3
S-24CS16A0I-T8T1
Remark See Dimensions for details of the package drawings.
WLP-6A
Bottom view
Table 4
Pin
Number
Pin
Name
Function
1 A2
TEST pin
*1
2 VCC
Power supply
3 WP
Write protection input
Connected to V
CC
: Protection
valid
Connected to GND: Protection invalid
4
SCL
Serial clock input
5
SDA
Serial data input / output
6 GND
Ground
*1. Connect to GND.
VCC WP
SCL
SDA
GND
1
5
2
3
4
6
A2
(1.66
1.150.6 max.)
Figure 4
S-24CS16A0I-H6T1
Remark See Dimensions for details of the package drawings.
2-WIRE CMOS SERIAL E
2
PROM
S-24CS16A
Rev.2.0
_00
Seiko Instruments Inc.
4
Block diagram
VCC
GND
Serial Clock
Controller
Device Address
Comparator
Address
Counter
Y Decoder
Data Output
ACK Output
Controller
Start / Stop
Detector
Data Register
E
2
PROM
X Decoder
Selector
High-Voltage Generator
SCL
SDA
D
IN
D
OUT
R / W
LOAD
INC
COMP
LOAD
WP
Voltage Detector
Figure 5
Absolute Maximum Ratings
Table 5
Parameter Symbol
Ratings
Unit
Power supply voltage
V
CC
-0.3 to +7.0 V
Input voltage
V
IN
-0.3 to V
CC
+0.3
Output voltage
V
OUT
-0.3 to V
CC
Storage temperature
T
stg
-65 to +150 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.
2-WIRE CMOS SERIAL E
2
PROM
Rev.2.0
_00
S-24CS16A
Seiko Instruments Inc.
5
Recommended Operating Conditions
Table 6
Parameter
Symbol Conditions Min. Typ. Max. Unit
Power supply voltage
V
CC
Read
Operation 1.8
5.5 V
Write
Operation
2.7
5.5
High level input voltage
V
IH
V
CC
=2.7 to 5.5 V 0.7V
CC
V
CC
V
CC
=1.8 to 2.7 V 0.8V
CC
V
CC
Low level input voltage
V
IL
V
CC
=2.7 to 5.5 V
0.0
0.3V
CC
V
CC
=1.8 to 2.7 V
0.0
0.2
V
CC
Operating temperature
T
opr
-40
+85
C
Pin Capacitance
Table 7
(Ta
=25C, f=1.0 MHz, V
CC
=5 V)
Parameter
Symbol Conditions Min. Typ. Max. Unit
Input capacitance
C
IN
V
IN
=0 V (SCL, A2, WP)
--
--
10
pF
Input/output capacitance
C
I / O
V
I / O
=0 V (SDA)
--
--
10
Endurance
Table 8
Parameter Symbol
Operation
temperature
Min. Typ. Max. Unit
Endurance
N
W
-40 to +85C
10
5
--
--
cycles / word
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