Rev. 2.2
_01
CMOS SERIAL E
2
PROM
S-93C76A
The S-93C76A is a high speed, low current
consumption, 8 K-bit serial E
2
PROM with a wide
operating voltage range. It is organized as 512-word
×
16-bit respectively. Each is capable of sequential
read, at which time addresses are automatically
incremented in 16-bit blocks.
Features
•
Low current consumption
Standby:
2.0
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:
1.8 to 5.5 V (at
−40
to
+85°C)
Write:
2.7 to 5.5 V (at
−40
to
+85°C)
•
Wide operating voltage range
•
Sequential read capable
•
Write disable function when power supply voltage is low
•
Endurance:
10
7
cycles/word* (at
+25°C)
write capable,
10
6
cycles/word* (at
+85°C)
3
×
10
5
cycles/word* (at
+105°C)
* For each address (Word: 16 bits)
•
Data retention: 10 years (after rewriting 10
6
cycles/word at
+85°C)
•
S-93C76A:
8 K-bit
•
High-temperature operation : +105°C Max. supported
(Only S-93C76ADFJ-TBH and S-93C76AFT-TBH)
Packages
Package name
8-Pin DIP
8-Pin SOP(JEDEC)
8-Pin TSSOP
Package
DP008-F
FJ008-A
FT008-A
Drawing code
Tape
FJ008-D
FT008-E
Reel
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
CMOS SERIAL E
2
PROM
S-93C76A
Rev.2.2
_01
Pin Assignment
8-Pin DIP
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-93C76ADP
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-93C76ADFJ-TB
S-93C76ADFJ-TBH
2
Seiko Instruments Inc.
Rev.2.2
_01
CMOS SERIAL E
2
PROM
S-93C76A
8-Pin TSSOP
Top view
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
Table 3
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 3
S-93C76AFT-TB
S-93C76AFT-TBH
Seiko Instruments Inc.
3
CMOS SERIAL E
2
PROM
S-93C76A
Rev.2.2
_01
Block Diagram
Memory array
Address
decoder
VCC
GND
Data register
DI
Mode decode logic
Output buffer
DO
CS
SK
Clock generator
Figure 4
Instruction Sets
Table 4
Instruction
SK input clock
READ (Read data)
WRITE (Write data)
*2
ERASE (Erase data)
*2
WRAL (Write all)
*2
ERAL (Erase all)
*2
EWEN (Write enable)
*2
EWDS (Write disable)
Start Bit Operation Code
1
2
3
1
1
1
1
1
1
1
1
0
1
0
0
0
0
0
1
1
0
0
0
0
4
x
x
x
0
1
1
0
5
6
7
Address
8 9 10 11 12 13
Data
14 to 29
A8 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Output
*1
A8 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 Input
A8 A7 A6 A5 A4 A3 A2 A1 A0
1
x
x
x
x
x
x
x
x D15 to D0 Input
0
x
x
x
x
x
x
x
x
1
x
x
x
x
x
x
x
x
0
x
x
x
x
x
x
x
x
Remark
x: Doesn’t matter
*1.
When the 16-bit data in the specified address has been output, the data in the next address is output.
*2.
WRITE, ERASE, WRAL, ERAL, and EWEN are guaranteed only at V
CC
≥
2.7 V.
4
Seiko Instruments Inc.
Rev.2.2
_01
Absolute Maximum Ratings
Table 5
Parameter
Power supply voltage
Input voltage
Output voltage
Storage temperature
Symbol
V
CC
V
IN
V
OUT
T
stg
CMOS SERIAL E
2
PROM
S-93C76A
Ratings
−0.3
to
+7.0
−0.3
to V
CC
+0.3
−0.3
to V
CC
−65
to
+150
Unit
V
V
V
°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 6
Parameter
Symbol
Conditions
READ/EWDS
WRITE/ERASE/
WRAL/ERAL/EWEN
V
CC
=
4.5 to 5.5 V
High level input voltage
V
IH
V
CC
=
2.7 to 4.5 V
V
CC
=
1.8 to 2.7 V
V
CC
=
4.5 to 5.5 V
Low level input voltage
Operating temperature
V
IL
T
opr
V
CC
=
2.7 to 4.5 V
V
CC
=
1.8 to 2.7 V
−40
to
+85°C
Min.
Typ.
Max.
1.8
2.7
2.0
0.8
×
V
CC
0.8
×
V
CC
0.0
0.0
0.0
−40
5.5
5.5
V
CC
V
CC
V
CC
0.8
0.2
×
V
CC
0.15
×
V
CC
+85
4.5
2.0
0.0
+85
5.5
V
CC
0.8
+105
+85
to
+105°C
Unit
Min. Typ. Max.
V
V
V
V
V
V
V
V
°C
Power supply voltage
V
CC
Pin Capacitance
Table 7
Parameter
Input Capacitance
Output Capacitance
Symbol
C
IN
C
OUT
Conditions
V
IN
=
0 V
V
OUT
=
0 V
(Ta
=
25°C, f
=
1.0 MHz, V
CC
=
5.0 V)
Min.
Typ.
Max.
Unit
8
10
pF
pF
Endurance
Table 8
Parameter
Endurance
Symbol
N
W
Operating
Temperature
−40
to
+85°C
+85
to
+105°C
Min.
10
6
3
×
10
5
Typ.
Max.
Unit
cycles/word*
* For each address (Word: 16 bits)
Seiko Instruments Inc.
5
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