Rev.2.0
_01
2-WIRE CMOS SERIAL E
2
PROM
S-24CS16A
The S-24CS16A is a 2-wired, low power and wide
2
range operation 16 k bit E PROM organized as 2048
words
×
8 bits.
Page write and sequential read are available.
Features
•
Low power consumption
•
Operating voltage range
Standby: 5.0
µA
Max. (V
CC
=5.5
V)
Read:
0.8 mA Max. (V
CC
=5.5
V)
Read:
1.8 to 5.5 V
Write:
2.7 to 5.5 V
16 bytes / page
•
Page write:
•
Sequential read
•
Operating frequency:
400 kHz (V
CC
=5 V±10 %)
•
Write disable function when power supply voltage is low
6
•
Endurance:
10 cycles/word (at +25°C) write capable,
5
10 cycles/word (at +85°C)
5
•
Data retention:
10 years (after rewriting 10 cycles/word at +85°C)
•
Write protection:
100%
Packages
Package name
8-Pin DIP
8-Pin SOP (JEDEC)
8-Pin TSSOP
WLP-6A
Package
DP008-F
FJ008-A
FT008-A
HA006-A
Drawing code
Tape
FJ008-D
FT008-E
HA006-A
Reel
FJ008-D
FT008-E
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.
Seiko Instruments Inc.
1
2-WIRE CMOS SERIAL E
2
PROM
S-24CS16A
Rev.2.0
_01
Pin Assignments
8-Pin DIP
Top view
NC
NC
A2
GND
1
2
3
4
8
7
6
5
Figure 1
S-24CS16A0I-D8S1
VCC
WP
SCL
SDA
Pin
Number
1
2
3
4
5
6
Pin
Name
NC
NC
A2
GND
SDA
SCL
Table 1
Function
*1
No connection
*1
No connection
*2
TEST pin
Ground
Serial data input / output
Serial clock input
Write protection input
7
WP
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.
Remark
See Dimensions for details of the package drawings.
8-Pin SOP(JEDEC)
Top view
NC
NC
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
Pin
Number
1
2
3
4
5
6
Pin
Name
NC
NC
A2
GND
SDA
SCL
Table 2
Function
*1
Figure 2
S-24CS16A0I-J8T1
No connection
*1
No connection
*2
TEST pin
Ground
Serial data input / output
Serial clock input
Write protection input
7
WP
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.
Remark
See Dimensions for details of the package drawings.
2
Seiko Instruments Inc.
Rev.2.0
_01
8-Pin TSSOP
Top view
NC
NC
A2
GND
1
2
3
4
Figure 3
S-24CS16A0I-T8T1
8
7
6
5
VCC
WP
SCL
SDA
Pin
Number
1
2
3
4
5
6
Pin
Name
NC
NC
A2
GND
SDA
SCL
2-WIRE CMOS SERIAL E
2
PROM
S-24CS16A
Table 3
Function
*1
No connection
*1
No connection
*2
TEST pin
Ground
Serial data input / output
Serial clock input
Write protection input
7
WP
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.
Remark
See Dimensions for details of the package drawings.
WLP-6A
Bottom view
Pin
Number
1
2
Pin
Name
A2
VCC
Table 4
Function
*1
2
1
3
A2 VCC WP
5
4
6
GND SDA SCL
(1.66×1.15×0.6 max.)
Figure 4
S-24CS16A0I-H6T1
TEST pin
Power supply
Write protection input
3
WP
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.
Remark
See Dimensions for details of the package drawings.
Seiko Instruments Inc.
3
2-WIRE CMOS SERIAL E
2
PROM
S-24CS16A
Rev.2.0
_01
Block diagram
WP
Start / Stop
Detector
Serial Clock
Controller
LOAD
Device Address
Comparator
COMP
Data Register
LOAD
R/W
INC
Address
Counter
X Decoder
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 5
Absolute Maximum Ratings
Table 5
Parameter
Power supply voltage
Input voltage
Output voltage
Storage temperature
Symbol
V
CC
V
IN
V
OUT
T
stg
Ratings
−0.3
to
+7.0
−0.3
to V
CC
+0.3
−0.3
to V
CC
−65
to
+150
Unit
V
°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.2.0
_01
2-WIRE CMOS SERIAL E
2
PROM
S-24CS16A
Recommended Operating Conditions
Table 6
Parameter
Power supply voltage
Symbol
V
CC
Conditions
Read Operation
Write Operation
High level input voltage
Low level input voltage
Operating temperature
V
IH
V
IL
T
opr
V
CC
=2.7
to 5.5 V
V
CC
=1.8
to 2.7 V
V
CC
=2.7
to 5.5 V
V
CC
=1.8
to 2.7 V
Min.
1.8
2.7
0.7×V
CC
0.8×V
CC
0.0
0.0
−40
Typ.
Max.
5.5
5.5
V
CC
V
CC
0.3×V
CC
0.2×V
CC
+85
°C
Unit
V
Pin Capacitance
Table 7
(Ta=25°C, f=1.0 MHz, V
CC
=5
V)
Parameter
Input capacitance
Input/output capacitance
Symbol
C
IN
C
I / O
Conditions
V
IN
=0
V (SCL, A2, WP)
V
I / O
=0
V (SDA)
Min.
—
—
Typ.
—
—
Max.
10
10
Unit
pF
Endurance
Table 8
Parameter
Endurance
Symbol
N
W
Operation temperature
−40
to
+85°C
Min.
5
10
Typ.
—
Max.
—
Unit
cycles / word
Seiko Instruments Inc.
5
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