Rev.2.1
_00
CMOS SERIAL E
2
PROM
S-93A86A
The S-93A86A is a high-temperature operation, high
speed, low current consumption, 16 K-bit serial
E
2
PROM with a wide operating voltage range. It is
organized as 1024-word
×
16-bit. It is capable of
sequential read, at which time addresses are
automatically incremented in 16-bit blocks. The
instruction code is compatible with the NM93CS86.
Features
•
Low current consumption
•
Wide operating voltage range
Standby: 3.0
µA
Max. (V
CC
=
5.5 V)
Operating: 1.0 mA Max. (V
CC
=
5.5 V)
0.6 mA Max. (V
CC
=
2.7 V)
Read:
2.7 to 5.5 V
Write:
2.7 to 5.5 V
•
Sequential read capable
•
Write disable function when power supply voltage is low
•
Function to protect against write due to erroneous instruction recognition
•
CMOS schmitt input (CS, SK)
•
Endurance:
10
6
cycles/word* (at
+85°C)
1.5
×
10
5
cycles/word* (at
+125°C)
* For each address (Word: 16 bits)
•
Data retention:
15 years (after rewriting 1.5
×
10
5
cycles/word at
+125°C)
•
High-temperature operation:
+125°C
Max.
•
Lead-free products
Packages
Package name
8-Pin SOP (JEDEC)
Package
FJ008-A
Drawing code
Tape
FJ008-D
Reel
FJ008-D
Caution Before using the product in medical equipment or automobile equipment including car audios,
keyless entries and engine control units, contact to SII is indispensable.
Seiko Instruments Inc.
1
CMOS SERIAL E
2
PROM
S-93A86A
Pin Assignment
8-Pin SOP (JEDEC)
Top view
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Rev.2.1
_00
Table 1
Pin No.
1
2
3
4
5
6
7
8
Pin name
CS
SK
DI
DO
GND
TEST
*1
NC
VCC
Pin description
Chip select input
Serial clock input
Serial data input
Serial data output
Ground
Test
No connection
Power supply
Figure 1
*1.
Connect to GND or VCC.
Even if this pin is not connected, performance is not affected
S-93A86AD0A-J8T2GB (Dynamic burn-in)
so long as the absolute maximum rating is not exceeded.
S-93A86AD0A-J8T2GD (Wafer burn-in)
Remark
Refer to the “Package
drawings”
for the details.
2
Seiko Instruments Inc.
Rev.2.1
_00
Block Diagram
Memory array
Address
decoder
CMOS SERIAL E
2
PROM
S-93A86A
VCC
GND
Data register
DI
Mode decode logic
CS
Clock pulse
monitoring circuit
Output buffer
DO
Voltage detector
SK
Clock generator
Figure 2
Instruction Sets
Table 2
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
3
1
0
1
0
0
0
0
0
1
1
0
0
0
0
Address
4
5
6
7
8
9
10 11 12 13
Data
14 to 29
*1
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Output
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Input
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
0
1
1
1
0
1
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
D15 to D0 Input
0 0 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: Doesn’t matter
Seiko Instruments Inc.
3
CMOS SERIAL E
2
PROM
S-93A86A
Absolute Maximum Ratings
Table 3
Rev.2.1
_00
Item
Symbol
Ratings
Unit
Power supply voltage
V
CC
V
−0.3
to
+7.0
Input voltage
V
IN
V
−0.3
to V
CC
+0.3
Output voltage
V
OUT
V
−0.3
to V
CC
Operating ambient temperature
T
opr
−40
to
+125
°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 4
Item
Power supply voltage
Symbol
Condition
Min.
V
CC
READ/EWDS
2.7
WRITE/ERASE/
2.7
WRAL/ERAL/EWEN
V
IH
0.8
×
V
CC
V
IL
0.0
Typ.
Max.
5.5
5.5
V
CC
0.2
×
V
CC
Unit
V
V
V
V
High level input voltage
Low level input voltage
Pin Capacitance
Table 5
Item
Input Capacitance
Output Capacitance
Symbol
Condition
C
IN
V
IN
=
0 V
C
OUT
V
OUT
=
0 V
(Ta
=
25°C, f
=
1.0 MHz, V
CC
=
5.0 V)
Min.
Typ.
Max.
Unit
8
pF
10
pF
4
Seiko Instruments Inc.
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