S-93C46B/56B/66B
www.sii-ic.com
© Seiko Instruments Inc., 2002-2011
3-WIRE SERIAL E
2
PROM
Rev.8.0
_00
The S-93C46B/56B/66B is a high speed, low current consumption, 3-wire serial E
2
PROM with a wide operating voltage
range. The S-93C46B/56B/66B has the capacity of 1 K-bit, 2 K-bit and 4 K-bit, and the organization is 64-word
×
16-bit,
128-word
×
16-bit and 256-word
×
16-bit. It 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
•
Operating voltage range
Read:
1.8 V to 5.5 V
Write:
2.7 V to 5.5 V
2.0 MHz (V
CC
= 4.5 V to 5.5 V)
8.0 ms max.
•
Operation frequency:
•
Write time:
•
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
(Ta =
+85°C)
•
Data retention:
100 years (Ta =
+25°C)
20 years (Ta =
+85°C)
•
Memory capacity:
S-93C46B 1 K-bit
S-93C56B 2 K-bit
S-93C66B 4 K-bit
•
Initial shipment data:
FFFFh
*2
•
Lead-free, Sn 100%, halogen-free
*1.
For each address (Word: 16-bit)
*2.
Refer to “
Product Name Structure”
for details.
Packages
•
8-Pin SOP (JEDEC)
•
8-Pin TSSOP
•
TMSOP-8
•
SNT-8A
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
1.
8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
Pin No.
1
2
3
4
8
7
6
5
Rev.8.0
_00
Table 1
Symbol
Description
Figure 1
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.
S-93C46BD0I-J8T1x
S-93C56BD0I-J8T1x
S-93C66BD0I-J8T1x
8-Pin SOP (JEDEC) (Rotated)
Top view
Pin No.
Symbol
Table 2
Description
1
2
3
4
8
7
6
5
Figure 2
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.
2
Seiko Instruments Inc.
Rev.8.0
_00
2.
8-Pin TSSOP
8-Pin TSSOP
Top view
Pin No.
1
2
3
4
8
7
6
5
3-WIRE SERIAL E
2
PROM
S-93C46B/56B/66B
Table 3
Symbol
CS
SK
DI
DO
GND
TEST
*1
NC
VCC
Description
Chip select input
Serial clock input
Serial data input
Serial data output
Ground
Test
No connection
Power supply
Figure 3
S-93C46BD0I-T8T1x
S-93C56BD0I-T8T1x
S-93C66BD0I-T8T1x
1
2
3
4
5
6
7
8
*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.
3.
TMSOP-8
TMSOP-8
Top view
Pin No.
1
2
3
4
8
7
6
5
Table 4
Symbol
Description
Figure 4
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.
Seiko Instruments Inc.
3
3-WIRE SERIAL E
2
PROM
S-93C46B/56B/66B
4.
SNT-8A
SNT-8A
Top view
Pin No.
1
2
3
4
8
7
6
5
Rev.8.0
_00
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 1.
Refer to the “package drawings” for the details.
2.
x: G or U
3.
Please select products of environmental code = U for Sn 100%, halogen-free products.
4
Seiko Instruments Inc.
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
