Rev.2.1
_00
2-WIRE CMOS SERIAL E
2
PROM
S-24C04BPHAL
The S-24C04BPHAL is a 2-wire, low-power, wide-
range-operation 4k bit serial E
2
PROM organized as
512 words
×
8 bits. Page write and sequential read
are possible.
Features
•
Low power consumption
Standby:
Operating:
Reading:
Writing:
16 bytes/page
1.0
µA
max. (V
CC
=
5.5 V)
0.8 mA max. (V
CC
=
5.5 V)
0.3 mA max. (V
CC
=
3.3 V)
1.6 to 5.5 V
1.7 to 5.5 V
•
Wide operating voltage range:
•
Page write:
•
Sequential read
•
Operating frequency:
•
Endurance:
•
Data retention:
•
Write protection
•
Lead-free products
400 kHz (V
CC
=
5 V
±10%)
10
6
cycles/word
*1
*1.
For each address (Word: 8 bits)
10 years
100%
Package
Package Name
WLP-5A
Drawing Code
Tape
HA005-A
Package
HA005-A
Reel
HA005-A
Caution This product is intended for 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 units, be sure to contact SII.
Seiko Instruments Inc.
1
2-WIRE CMOS SERIAL E
2
PROM
S-24C04BPHAL
Pin Configuration
WLP-5A
Bottom view
VCC
1
5
GND
2
SDA
WP
3
4
SCL
Rev.2.1
_00
Table 1
Power supply
Serial data I/O
Write Protection pin
3
WP
Connected to Vcc: Protection valid
Connected to GND: Protection invalid
4
SCL
Serial clock input
5
GND
Ground
Remark
See Dimensions for details of the package drawings.
Pin No.
1
2
Symbol
VCC
SDA
Description
Figure 1
S-24C04BPHAL
2
Seiko Instruments Inc.
Rev.2.1
_00
Block Diagram
2-WIRE CMOS SERIAL E
2
PROM
S-24C04BPHAL
SCL
SDA
WP
Start/stop
detector
Serial clock
controller
LOAD
Device address
comparator
COMP
VCC
GND
High-voltage generator
Data Register
LOAD
R/W
INC
Address
counter
X decoder
E
2
PROM
Y decoder
Selector
D
IN
D
OUT
Data output
ACK output
controller
Figure 2
Absolute Maximum Ratings
Table 2
Item
Power supply voltage
Input voltage
Output voltage
Operating ambient temperature
Symbol
V
CC
V
IN
V
OUT
T
opr
Ratings
−0.3
to
+7.0
−0.3
to V
CC
+
0.3
−0.3
to V
CC
−40
to
+
85
Unit
V
V
V
°C
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 condition.
Seiko Instruments Inc.
3
Rev.2.1
_00
DC Electrical Characteristics
Item
Current consumption
(READ)
Current consumption
(PROGRAM)
*1.
f
=
400 kHz
*2.
V
CC
=
1.7 to 2.5 V
Item
Standby current
consumption
Input current
leakage
Output current
leakage
Low-level output
voltage
Current address
hold voltage
Symbol
I
SB
I
LI
I
LO
V
OL
V
AH
Conditions
V
IN
=
V
CC
or GND
V
IN
=
GND to V
CC
V
OUT
=
GND to V
CC
I
OL
=
3.2 mA
I
OL
=
1.5 mA
−
Symbol
I
CC1
I
CC2
Conditions
f
=
100 kHz
f
=
100 kHz
2-WIRE CMOS SERIAL E
2
PROM
S-24C04BPHAL
Table 6
V
CC
=
4.5 to 5.5 V V
CC
=
2.5 to 4.5 V V
CC
=
1.6 to 2.5 V
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
−
−
−
−
0.8
*1
4.0
−
−
−
−
0.3
1.5
−
−
−
−
0.2
mA
1.5
*2
mA
Table 7
V
CC
=
4.5 to 5.5 V V
CC
=
2.5 to 4.5 V V
CC
=
1.6 to 2.5 V Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
−
−
−
−
−
1.5
−
0.1
0.1
−
−
−
1.0
1.0
1.0
0.4
0.3
5.5
−
−
−
−
−
1.5
−
0.1
0.1
−
−
−
0.6
1.0
1.0
0.4
0.3
4.5
−
−
−
−
−
1.5
−
0.1
0.1
−
−
−
0.4
1.0
1.0
−
0.5
2.5
µA
µA
µA
V
V
V
Seiko Instruments Inc.
5
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