Rev.1.1
_00
CMOS SPI 8K SERIAL E
2
PROM
S-25C080A
The S-25C080A is a SPI serial E
2
PROM which operates at high
speed, with low current consumption and the wide range
operation. The S-25C080A has the capacity of 8K-bit and the
organization of 1024 words
×
8-bit, is able to Page Write and
sequential read.
Features
•
Wide range operation
Read
：1.6
to 5.5 V (at
−40
to
+85°C)
Write
：1.7
to 5.5 V (at
−40
to
+85°C)
5 MHz (2.5 to 5.5 V), 2.0 MHz (1.6 to 5.5 V)
•
Operation frequency
•
SPI mode (0, 0) and (1, 1)
•
Page Write 32 bytes / page
•
Sequential read
•
Write protect:
Software, Hardware
Protect area:
25%, 50%, 100%
•
Monitors Write to the memory by a status register
•
Write protect function during the low power supply
•
CMOS schmitt input（ CS , SCK, SI,
WP
, HOLD
）
•
Endurance:
10
6
cycles/word
*1
(at
+25°C),
*1.
For each address (Word: 8-bit)
•
Data retention:
100 years (at
+25°C)
•
Memory capacitance:
8K-bit
•
Data before shipment:
Memory array FFh, SRWD = 0, BP1 = 0, BP0 = 0
•
Lead-free product
Packages
Package name
8-Pin SOP (JEDEC)
8-Pin TSSOP
SNT-8A
WLP-8H
Drawing code
Package
FJ008-A
FT008-A
PH008-A
HH008-A
Tape
FJ008-D
FT008-E
PH008-A
HH008-A
Reel
FJ008-D
FT008-E
PH008-A
HH008-A
Land
−
−
PH008-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
CMOS SPI 8K SERIAL E
2
PROM
S-25C080A
Pin Configurations
8-Pin SOP (JEDEC)
Top view
Pin No.
Symbol
CS
*1
SO
WP
GND
*1
SI
*1
SCK
*1
Rev.1.1
_00
Table 1
Description
Chip select input
Serial data output
Write protect input
Ground
Serial data input
Serial clock input
Hold input
1
2
3
4
5
6
7
8
CS
SO
WP
GND
1
2
3
4
8
7
6
5
Figure 1
VCC
HOLD
SCK
SI
HOLD
*1
S-25C080A0I-J8T1G
VCC
Power supply
*1.
All input pins have the CMOS structure. Do not set the input pins in
high impedance during operation.
Remark
See Dimensions for details of the package drawings.
8-Pin TSSOP
Top view
Pin No.
CS
SO
WP
GND
1
2
3
4
8
7
6
5
Table 2
Symbol
CS
*1
SO
WP
GND
*1
SI
*1
SCK
*1
Description
Chip select input
Serial data output
Write protect input
Ground
Serial data input
Serial clock input
Hold input
VCC
1
2
3
4
5
6
7
8
HOLD
SCK
SI
Figure 2
S-25C080A0I-T8T1G
HOLD
*1
VCC
Power supply
*1.
All input pins have the CMOS structure. Do not set the input pins in
high impedance during operation.
Remark
See Dimensions for details of the package drawings.
2
Seiko Instruments Inc.
Rev.1.1
_00
CMOS SPI 8K SERIAL E
2
PROM
S-25C080A
SNT-8A
Top view
Pin No.
CS
SO
WP
GND
Table 3
Symbol
CS
*1
SO
WP
GND
*1
SI
*1
SCK
*1
Description
Chip select input
Serial data output
Write protect input
Ground
Serial data input
Serial clock input
Hold input
Power supply
1
2
3
4
8
7
6
5
VCC
1
2
3
4
5
6
7
8
HOLD
SCK
SI
Figure 3
S-25C080A0I-I8T1G
HOLD
*1
VCC
*1.
All input pins have the CMOS structure. Do not set the input pins in
high impedance during operation.
Remark
See Dimensions for details of the package drawings.
WLP-8H
Bottom view
Pin No.
A1
A1
VCC
B2
HOLD
A3
CS
C3
SO
C1
SCK
D2
WP
E3
GND
E1
SI
Table 4
Symbol
VCC
CS
*1
*1
Description
Power supply
Chip select input
Hold input
Serial clock input
Serial data output
A3
B2
C1
C3
D2
HOLD
SCK
SO
*1
Figure 4
S-25C080A0I-H8T3
*1
Write protect input
WP
*1
E1
SI
Serial data input
E3
GND
Ground
*1.
All input pins have the CMOS structure. Do not set the input pins in
high impedance during operation.
Remark
See Dimensions for details of the package drawings.
Seiko Instruments Inc.
3
Rev.1.1
_00
Absolute Maximum Ratings
Table 5
Item
Power supply voltage
Input voltage
Output voltage
Operation ambient temperature
Storage temperature
Symbol
V
CC
V
IN
V
OUT
T
opr
T
stg
CMOS SPI 8K SERIAL E
2
PROM
S-25C080A
Absolute Maximum Rating
−0.3
to
+7.0
−0.3
to
+7.0
−0.3
to V
CC
+
0.3
−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.
Recommended Operating Conditions
Table 6
Item
Power supply voltage
High level input voltage
Low level input voltage
Symbol
V
CC
V
IH
V
IL
Condition
Read Operation
Write Operation
V
CC
= 1.6 to 5.5 V
V
CC
= 1.6 to 5.5 V
Min.
1.6
1.7
0.7
×
V
CC
−0.3
Max.
5.5
5.5
V
CC
+
1.0
0.3
×
V
CC
Unit
V
V
V
V
Pin Capacitance
Table 7
Item
Input capacitance
Output capacitance
Symbol
C
IN
C
OUT
Condition
V
IN
= 0 V ( CS , SCK, SI,
WP
, HOLD )
V
OUT
= 0 V (SO)
(Ta = 25 °C, f = 1.0 MHz, V
CC
= 5 V)
Min.
Max.
Unit
−
−
8
10
pF
pF
Endurance
Table 8
Item
Symbol
Operation Ambient Temperature
Endurance
N
W
+25°C
*1.
For each address (Word: 8 bits)
Min.
10
6
Max.
−
Unit
cycles / word
*1
Data Retention
Table 9
Item
Data retention
Symbol
−
Operation Ambient Temperature
+25°C
Min.
100
Max.
−
Unit
year
Seiko Instruments Inc.
5
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