S-93C46B/56B/66B
www.sii-ic.com
© Seiko Instruments Inc., 2010
H Series
105°C OPERATION 3-WIRE SERIAL
E
2
PROM FOR AUTOMOTIVE
Rev.2.0
_00
The S-93C46B/56B/66B H Series is a high temperature operation 1/2/4 K-bit 3-wire serial E
2
PROM for automotive
components. 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
•
Wide operating voltage range
Standby:
Read:
Read:
Write:
1.5
μA
Max. (V
CC
= 5.5 V)
0.8 mA Max. (V
CC
= 5.5 V)
2.7 to 5.5 V (at
−40
to
+105°C)
2.7 to 5.5 V (at
−40
to
+105°C)
•
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)
5
×
10
5
cycles/word
*1
(at
+105°C)
•
Data retention:
100 years (at
+25°C)
20 years (at
+105°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 SOP (JEDEC)
•
8-Pin TSSOP
•
TMSOP-8
Caution
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
105°C OPERATION 3-WIRE SERIAL E
2
PROM FOR AUTOMOTIVE
S-93C46B/56B/66B H Series
Pin Configurations
8-Pin SOP(JEDEC)
Top view
Pin No.
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Rev.2.0
_00
Table 1
Symbol
Description
Figure 1
S-93C46BD0H-J8T2U
S-93C56BD0H-J8T2U
S-93C66BD0H-J8T2U
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 TSSOP
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-93C46BD0H-T8T2U
S-93C56BD0H-T8T2U
S-93C66BD0H-T8T2U
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.2.0
_00
105°C OPERATION 3-WIRE SERIAL E
2
PROM FOR AUTOMOTIVE
S-93C46B/56B/66B H Series
TMSOP-8
Top view
Pin No.
Symbol
Table 3
Description
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Figure 3
S-93C46BD0H-K8T2U
S-93C56BD0H-K8T2U
S-93C66BD0H-K8T2U
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.
Please select products of environmental code = U for Sn 100%, halogen-free products.
Seiko Instruments Inc.
3
105°C OPERATION 3-WIRE SERIAL E
2
PROM FOR AUTOMOTIVE
S-93C46B/56B/66B H Series
Block Diagram
Memory array
Address
decoder
VCC
GND
Rev.2.0
_00
Data register
DI
Mode decode logic
CS
Clock pulse
monitoring circuit
Output buffer
DO
Voltage detector
SK
Clock generator
Figure 4
4
Seiko Instruments Inc.
Rev.2.0
_00
Instruction Sets
1. S-93C46B
105°C OPERATION 3-WIRE SERIAL E
2
PROM FOR AUTOMOTIVE
S-93C46B/56B/66B H Series
Table 4
Instruction
SK input clock
Start Bit
1
Operation
Code
2
3
Address
4
5
6
7
8
9
Data
10 to 25
*1
READ (Read data)
1
1
0
A5
A4
A3
A2
A1
A0 D15 to D0 Output
WRITE (Write data)
1
0
1
A5
A4
A3
A2
A1
A0 D15 to D0 Input
ERASE (Erase data)
1
1
1
A5
A4
A3
A2
A1
A0
⎯
WRAL (Write all)
1
0
0
0
1
x
x
x
x
D15 to D0 Input
ERAL (Erase all)
1
0
0
1
0
x
x
x
x
⎯
EWEN (Write enable)
1
0
0
1
1
x
x
x
x
⎯
EWDS (Write disable)
1
0
0
0
0
x
x
x
x
⎯
*1.
When the 16-bit data in the specified address has been output, the data in the next address is output.
Remark
x: Don’t care
2. S-93C56B
Table 5
Operation
Address
Data
Code
SK input clock
1
2
3
4
5
6
7
8
9
10 11
12 to 27
*1
READ (Read data)
1
1
0
x A6 A5 A4 A3 A2 A1 A0 D15 to D0 Output
WRITE (Write data)
1
0
1
x A6 A5 A4 A3 A2 A1 A0 D15 to D0 Input
ERASE (Erase data)
1
1
1
x A6 A5 A4 A3 A2 A1 A0
⎯
WRAL (Write all)
1
0
0
0
1
x
x
x
x
x
x
D15 to D0 Input
ERAL (Erase all)
1
0
0
1
0
x
x
x
x
x
x
⎯
EWEN (Write enable)
1
0
0
1
1
x
x
x
x
x
x
⎯
EWDS (Write disable)
1
0
0
0
0
x
x
x
x
x
x
⎯
*1.
When the 16-bit data in the specified address has been output, the data in the next address is output.
Instruction
Start Bit
Remark
x: Don’t care
3. S-93C66B
Table 6
Operation
Address
Data
Code
SK input clock
1
2
3
4
5
6
7
8
9
10 11
12 to 27
*1
READ (Read data)
1
1
0
A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Output
WRITE (Write data)
1
0
1
A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Input
ERASE (Erase data)
1
1
1
A7 A6 A5 A4 A3 A2 A1 A0
⎯
WRAL (Write all)
1
0
0
0
1
x
x
x
x
x
x
D15 to D0 Input
ERAL (Erase all)
1
0
0
1
0
x
x
x
x
x
x
⎯
EWEN (Write enable)
1
0
0
1
1
x
x
x
x
x
x
⎯
EWDS (Write disable)
1
0
0
0
0
x
x
x
x
x
x
⎯
*1.
When the 16-bit data in the specified address has been output, the data in the next address is output.
Instruction
Start Bit
Remark
x: Don’t care
Seiko Instruments Inc.
5
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