Rev. 1.1
_00
LOW VOLTAGE OPERATION
CMOS SERIAL E
2
PROM
S-93L46A/56A/66A
The S-93L46A/56A/66A is a low voltage operation,
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
instruction
code
is
compatible
with
the
NM93CS46/56/66.
Features
•
Low current consumption
Standby:
1.5
µA
Max. (V
CC
=
5.5 V)
Operating: 0.8 mA Max. (V
CC
=
5.5 V)
0.4 mA Max. (V
CC
=
2.5 V)
Read:
1.6 to 5.5 V
Write:
1.8 to 5.5 V (WRITE, ERASE)
2.7 to 5.5 V (WRAL, ERAL)
•
Wide operating voltage range
•
Sequential read capable
•
Write disable function when power supply voltage is low
•
Function to protect against write due to erroneous instruction recognition
•
Endurance:
10
7
cycles/word* (at
+25°C)
write capable,
10
6
cycles/word* (at
+85°C)
* For each address (Word: 16 bits)
•
Data retention: 10 years (after rewriting 10
6
cycles/word at
+85°C)
•
S-93L46A:
1 K-bit NM93CS46 instruction code compatible
•
S-93L56A:
2 K-bit NM93CS56 instruction code compatible
•
S-93L66A:
4 K-bit NM93CS66 instruction code compatible
Packages
Package name
SNT-8A
8-Pin SOP(JEDEC)
8-Pin TSSOP
Package
PH008-A
FJ008-A
FT008-A
Drawing code
Tape
PH008-A
FJ008-D
FT008-E
Reel
PH008-A
FJ008-D
FT008-E
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 CMOS SERIAL E
2
PROM
S-93L46A/56A/66A
Rev.1.1
_00
Pin Assignment
SNT-8A
Top view
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Table 1
Pin Number
Pin Name
Function
1
CS
Chip select input
2
SK
Serial clock input
3
DI
Serial data input
4
DO
Serial data output
5
GND
Ground
*1
6
TEST
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.
Figure 1
S-93L46AD0I-I8T1G
S-93L56AD0I-I8T1G
S-93L66AD0I-I8T1G
8-Pin SOP(JEDEC)
Top view
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Table 2
Pin Number
Pin Name
Function
1
CS
Chip select input
2
SK
Serial clock input
3
DI
Serial data input
4
DO
Serial data output
5
GND
Ground
*1
6
TEST
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.
Figure 2
S-93L46AD0I-J8T1
S-93L56AD0I-J8T1
S-93L66AD0I-J8T1
2
Seiko Instruments Inc.
Rev.1.1
_00
LOW VOLTAGE OPERATION CMOS SERIAL E
2
PROM
S-93L46A/56A/66A
8-Pin SOP(JEDEC) (Rotated)
Top view
NC
VCC
CS
SK
1
2
3
4
8
7
6
5
TEST
GND
DO
DI
Table 3
Pin Number
Pin Name
Function
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
8
TEST
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.
Remark
See Dimensions for details of the package drawings.
Figure 3
S-93L46AR0I-J8T1
S-93L56AR0I-J8T1
S-93L66AR0I-J8T1
8-Pin TSSOP
Top view
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Table 4
Pin Number
Pin Name
Function
1
CS
Chip select input
2
SK
Serial clock input
3
DI
Serial data input
4
DO
Serial data output
5
GND
Ground
*1
6
TEST
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.
Figure 4
S-93L46AD0I-T8T1
S-93L56AD0I-T8T1
S-93L66AD0I-T8T1
Seiko Instruments Inc.
3
Rev.1.1
_00
2. S-93L56A
LOW VOLTAGE OPERATION CMOS SERIAL E
2
PROM
S-93L46A/56A/66A
Table 6
Instruction
SK input clock
READ (Read data)
WRITE (Write data)
ERASE (Erase data)
WRAL (Write all)
ERAL (Erase all)
EWEN (Write enable)
EWDS (Write disable)
Start Bit
1
1
1
1
1
1
1
1
Operation
Code
2
1
0
1
0
0
0
0
3
0
1
1
0
0
0
0
4
x
x
x
0
1
1
0
5
6
Address
7
8
9
10
11
Data
12 to 27
D15 to D0 Output
*1
D15 to D0 Input
D15 to D0 Input
A6 A5 A4 A3 A2 A1 A0
A6 A5 A4 A3 A2 A1 A0
A6 A5 A4 A3 A2 A1 A0
1
0
1
0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
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
3. S-93L66A
Table 7
Instruction
SK input clock
READ (Read data)
WRITE (Write data)
ERASE (Erase data)
WRAL (Write all)
ERAL (Erase all)
EWEN (Write enable)
EWDS (Write disable)
Start Bit
1
1
1
1
1
1
1
1
Operation
Code
2
1
0
1
0
0
0
0
3
0
1
1
0
0
0
0
4
5
6
Address
7
8
9
10
11
Data
12 to 27
D15 to D0 Output
*1
D15 to D0 Input
D15 to D0 Input
A7 A6 A5 A4 A3 A2 A1 A0
A7 A6 A5 A4 A3 A2 A1 A0
A7 A6 A5 A4 A3 A2 A1 A0
0
1
1
0
1
0
1
0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
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
Seiko Instruments Inc.
5
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