S-93C86B
www.sii-ic.com
© Seiko Instruments Inc., 2003-2011
3-WIRE SERIAL E
2
PROM
Rev.5.0
_00
The S-93C86B is a high speed, low current consumption, 3-wire serial E
2
PROM with a wide operating voltage range. The S-
93C86B has the capacity of 16 K-bit, and the organization is 1024-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)
4.0 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:
16 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
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-93C86B
Rev.5.0
_00
Pin Configurations
1.
8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
1
2
3
4
8
7
6
5
Table 1
Pin No.
1
2
3
4
5
Symbol
CS
SK
DI
DO
GND
*1
Description
Chip select input
Serial clock input
Serial data input
Serial data output
Ground
Figure 1
S-93C86BD4I-J8T1x
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.
2.
8-Pin TSSOP
8-Pin TSSOP
Top view
1
2
3
4
8
7
6
5
Table 2
Pin No.
1
2
3
4
5
Symbol
CS
SK
DI
DO
GND
*1
Description
Chip select input
Serial clock input
Serial data input
Serial data output
Ground
Figure 2
S-93C86BD4I-T8T1x
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 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.
2
Seiko Instruments Inc.
3-WIRE SERIAL E
2
PROM
S-93C86B
Rev.5.0
_00
Instruction Sets
Table 3
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)
*1.
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
7
Address
8
9
10 11 12 13
Data
14 to 29
D15 to D0 Output
*1
D15 to D0 Input
⎯
D15 to D0 Input
⎯
⎯
⎯
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
A9 A8 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
x
x
x
x
x
x
x
x
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
4
Seiko Instruments Inc.
Rev.5.0
_00
3-WIRE SERIAL E
2
PROM
S-93C86B
Absolute Maximum Ratings
Table 4
Item
Symbol
Ratings
Unit
Power supply voltage
V
CC
−0.3
to
+7.0
V
Input voltage
V
IN
−0.3
to V
CC
+
0.3
V
Output voltage
V
OUT
−0.3
to V
CC
V
Operating ambient temperature T
opr
−40
to
+105
°C
Storage temperature
T
stg
−65
to
+150
°C
Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical
damage. These values must therefore not be exceeded under any conditions.
Recommended Operating Conditions
Table 5
Item
Symbol
Conditions
READ, EWDS
WRITE, ERASE,
WRAL, ERAL, EWEN
V
CC
= 4.5 V to 5.5 V
V
CC
= 2.7 V to 4.5 V
V
CC
= 1.8 V to 2.7 V
V
CC
= 4.5 V to 5.5 V
V
CC
= 2.7 V to 4.5 V
V
CC
= 1.8 V to 2.7 V
Ta =
−40°C
to
+85°C
Min.
Max.
1.8
5.5
2.7
2.0
0.8
×
V
CC
0.8
×
V
CC
0.0
0.0
0.0
5.5
V
CC
V
CC
V
CC
0.8
0.2
×
V
CC
0.15
×
V
CC
Unit
V
V
V
V
V
V
V
V
Power supply voltage
V
CC
High level input voltage
V
IH
Low level input voltage
V
IL
Pin Capacitance
Table 6
(Ta =
+25°C,
f = 1.0 MHz, V
CC
= 5.0 V)
Item
Input Capacitance
Output Capacitance
Symbol
C
IN
C
OUT
Conditions
V
IN
= 0 V
V
OUT
= 0 V
Min.
⎯
⎯
Max.
8
10
Unit
pF
pF
Endurance
Table 7
Item
Symbol
Operating Ambient Temperature
Endurance
N
W
Ta =
−40°C
to
+85°C
*1.
For each address (Word: 16-bit)
Min.
10
6
Max.
⎯
Unit
Cycles / word
*1
Data Retention
Table 8
Item
Data retention
Symbol
⎯
Operation Ambient Temperature
Ta =
+25°C
Ta =
−40°C
to
+85°C
Min.
100
20
Max.
⎯
⎯
Unit
year
year
Seiko Instruments Inc.
5
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