S-93C46B/56B/66B
www.sii-ic.com
© Seiko Instruments Inc., 2002-2010
3-WIRE SERIAL E
2
PROM
Rev.7.0
_00
The S-93C46B/56B/66B is a 3-wire, high speed, low current consumption, 1/2/4 K-bit serial E
2
PROM with a wide
operating voltage range. It is organized as 64-word
×
16-bit, 128-word
×
16-bit, 256-word
×
16-bit, respectively. Each is
capable of sequential read, at which time addresses are automatically incremented in 16-bit blocks.
The communication method is by the Microwire bus.
Features
•
Low current consumption
Standby:
Read:
Read:
Write:
1.5
μA
Max. (V
CC
=
5.5 V)
0.8 mA Max. (V
CC
=
5.5 V)
0.4 mA Max. (V
CC
=
2.5 V)
1.8 to 5.5 V
2.7 to 5.5 V
•
Wide operating voltage range
•
Sequential read capable
•
Write protect function during the low power supply voltage
•
Function to protect against write due to erroneous instruction recognition
•
Endurance:
10
6
cycles/word
*1
(at
+85°C)
•
Data retention:
100 years (at
+25°C)
20 years (at
+85°C)
•
S-93C46B:
1 K-bit
•
S-93C56B:
2 K-bit
•
S-93C66B:
4 K-bit
•
Lead-free, Sn 100%, halogen-free
*2
*1.
For each address (Word: 16-bit)
*2.
Refer to “
Product Name Structure”
for details.
Packages
•
8-Pin DIP
•
8-Pin SOP (JEDEC)
•
8-Pin TSSOP
•
SNT-8A
•
TMSOP-8
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
3-WIRE SERIAL E
2
PROM
S-93C46B/56B/66B
Pin Configurations
8-Pin DIP
Top view
Pin No.
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Rev.7.0
_00
Table 1
Symbol
Description
Figure 1
S-93C46BD0I-D8S1G
S-93C56BD0I-D8S1G
S-93C66BD0I-D8S1G
1
CS
Chip select input
2
SK
Serial clock input
3
DI
Serial data input
4
DO
Serial data output
5
GND
Ground
*1
TEST
6
Test
7
NC
No connection
8
VCC
Power supply
*1.
Connect to GND or V
CC
.
Even if this pin is not connected, performance is not affected so
long as the absolute maximum rating is not exceeded.
8-Pin SOP(JEDEC)
Top view
Pin No.
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Table 2
Symbol
Description
Figure 2
S-93C46BD0I-J8T1x
S-93C56BD0I-J8T1x
S-93C66BD0I-J8T1x
1
CS
Chip select input
2
SK
Serial clock input
3
DI
Serial data input
4
DO
Serial data output
5
GND
Ground
*1
TEST
6
Test
7
NC
No connection
8
VCC
Power supply
*1.
Connect to GND or V
CC
.
Even if this pin is not connected, performance is not affected so
long as the absolute maximum rating is not exceeded.
2
Seiko Instruments Inc.
Rev.7.0
_00
3-WIRE SERIAL E
2
PROM
S-93C46B/56B/66B
8-Pin SOP(JEDEC) (Rotated)
Top view
Pin No.
NC
VCC
CS
SK
1
2
3
4
8
7
6
5
TEST
GND
DO
DI
Table 3
Symbol
Description
Figure 3
S-93C46BR0I-J8T1x
S-93C56BR0I-J8T1x
S-93C66BR0I-J8T1x
1
NC
No connection
2
VCC
Power supply
3
CS
Chip select input
4
SK
Serial clock input
5
DI
Serial data input
6
DO
Serial data output
7
GND
Ground
*1
TEST
8
Test
*1.
Connect to GND or V
CC
.
Even if this pin is not connected, performance is not affected so long
as the absolute maximum rating is not exceeded.
8-Pin TSSOP
Top view
Pin No.
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Table 4
Symbol
Description
Figure 4
S-93C46BD0I-T8T1x
S-93C56BD0I-T8T1x
S-93C66BD0I-T8T1x
1
CS
Chip select input
2
SK
Serial clock input
3
DI
Serial data input
4
DO
Serial data output
5
GND
Ground
*1
TEST
6
Test
7
NC
No connection
8
VCC
Power supply
*1.
Connect to GND or V
CC
.
Even if this pin is not connected, performance is not affected so long
as the absolute maximum rating is not exceeded.
Seiko Instruments Inc.
3
3-WIRE SERIAL E
2
PROM
S-93C46B/56B/66B
Rev.7.0
_00
SNT-8A
Top view
Pin No.
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 TEST
5 GND
Table 5
Symbol
Description
Figure 5
S-93C46BD0I-I8T1x
S-93C56BD0I-I8T1x
S-93C66BD0I-I8T1x
1
CS
Chip select input
2
SK
Serial clock input
3
DI
Serial data input
4
DO
Serial data output
5
GND
Ground
*1
TEST
6
Test
7
NC
No connection
8
VCC
Power supply
*1.
Connect to GND or V
CC
.
Even if this pin is not connected, performance is not affected so long as
the absolute maximum rating is not exceeded.
Remark
See Dimensions for details of the package drawings.
TMSOP-8
Top view
Pin No.
Symbol
Table 6
Description
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Figure 6
S-93C46BD0I-K8T3U
S-93C56BD0I-K8T3U
S-93C66BD0I-K8T3U
1
CS
Chip select input
2
SK
Serial clock input
3
DI
Serial data input
4
DO
Serial data output
5
GND
Ground
*1
TEST
6
Test
7
NC
No connection
8
VCC
Power supply
*1.
Connect to GND or V
CC
.
Even if this pin is not connected, performance is not affected so long
as the absolute maximum rating is not exceeded.
Remark 1.
See Dimensions for details of the package drawings.
2.
x: G or U
3.
Please select products of environmental code = U for Sn 100%, halogen-free products.
4
Seiko Instruments Inc.
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