S-93L46A/56A/66A
www.sii-ic.com
© Seiko Instruments Inc., 2004-2013
LOW VOLTAGE OPERATION
3-WIRE SERIAL E
2
PROM
Rev.8.0_
00
The S-93L46A/56A/66A is a low voltage operation, high speed, low current consumption, 3-wire serial E
2
PROM with a wide
operating voltage range. The S-93L46A/56A/66A 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:
Write:
1.6 V to 5.5 V
1.8 V to 5.5 V (WRITE, ERASE)
2.7 V to 5.5 V (WRAL, ERAL)
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-93L46A:
1 K-bit
S-93L56A:
2 K-bit
S-93L66A:
4 K-bit
•
Initial delivery state:
FFFFh
•
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
•
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
LOW VOLTAGE OPERATION 3-WIRE SERIAL E
2
PROM
S-93L46A/56A/66A
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
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.
Figure 1
S-93L46AD0I-J8T1x
S-93L56AD0I-J8T1x
S-93L66AD0I-J8T1x
8-Pin SOP (JEDEC) (Rotated)
Top view
Pin No.
1
2
3
4
8
7
6
5
Table 2
Symbol
Description
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.
Figure 2
S-93L46AR0I-J8T1x
S-93L56AR0I-J8T1x
S-93L66AR0I-J8T1x
2
Seiko Instruments Inc.
Rev.8.0_
00
LOW VOLTAGE OPERATION 3-WIRE SERIAL E
2
PROM
S-93L46A/56A/66A
2.
8-Pin TSSOP
8-Pin TSSOP
Top view
Pin No.
1
2
3
4
8
7
6
5
Table 3
Symbol
Description
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.
Figure 3
S-93L46AD0I-T8T1x
S-93L56AD0I-T8T1x
S-93L66AD0I-T8T1x
3.
TMSOP-8
TMSOP-8
Top view
Pin No.
1
2
3
4
8
7
6
5
Table 4
Symbol
Description
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.
Figure 4
S-93L46AD0I-K8T3U
S-93L56AD0I-K8T3U
S-93L66AD0I-K8T3U
4.
SNT-8A
SNT-8A
Top view
Pin No.
1
2
3
4
8
7
6
5
Table 5
Symbol
Description
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.
Figure 5
S-93L46AD0I-I8T1x
S-93L56AD0I-I8T1x
S-93L66AD0I-I8T1x
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.
Seiko Instruments Inc.
3
LOW VOLTAGE OPERATION 3-WIRE SERIAL E
2
PROM
S-93L46A/56A/66A
Block Diagram
Address
decoder
VCC
GND
Rev.8.0_
00
Memory array
Data register
DI
Mode decode logic
CS
Clock pulse
monitoring circuit
Output buffer
DO
Voltage detector
SK
Clock generator
Figure 6
4
Seiko Instruments Inc.
Rev.8.0_
00
Instruction Sets
1.
S-93L46A
LOW VOLTAGE OPERATION 3-WIRE SERIAL E
2
PROM
S-93L46A/56A/66A
Table 6
Instruction
SK input clock
Start Bit
1
Operation
Code
2
3
Address
4
5
6
7
8
9
Data
10 to 25
D15 to D0 Output
*1
READ (Read data)
1
1
0
A5
A4
A3
A2
A1
A0
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-93L56A
Table 7
Instruction
SK input clock
Start Bit
Operation
Code
Address
Data
4
5
6
7
8
9
10 11
12 to 27
D15 to D0 Output
*1
READ (Read data)
1
1
0
x
A6 A5 A4 A3 A2 A1 A0
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.
Remark
x: Don’t care
1
2
3
3. S-93L66A
Table 8
Instruction
SK input clock
Start Bit
Operation
Code
Address
Data
4
5
6
7
8
9
10 11
12 to 27
D15 to D0 Output
*1
READ (Read data)
1
1
0
A7 A6 A5 A4 A3 A2 A1 A0
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.
Remark
x: Don’t care
1
2
3
Seiko Instruments Inc.
5
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