Rev. 2.2
_10
Seiko Instruments Inc.
1
The S-93C46A/56A/66A is high speed, low power 1K/2K/4K-bit 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, respectivly. 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.
Pin Assignment
8-pin DIP (PKG drawing code : DP008-A,DP008-C,DP008-E)
8-pin SOP (PKG drawing code : FJ008-D,FJ008-E)
8-pin MSOP (PKG drawing code : FN008-A)
8-pin TSSOP (PKG drawing code : FT008-B)
Pin Assignment
8-pin DIP
Top view
VCC
DO
NC
TEST
SK
DI
GND
CS
1
2
3
4
5
6
7
8
S-93C46ADP-1A
S-93C56ADP-1A
S-93C66ADP-1A
8-pin TSSOP
Top view
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
NC
TEST
GND
S-93C46AFT
S-93C56AFT
S-93C66AFT
* See Dimensions
S-93C46AMFN
S-93C56AMFN
S-93C66AMFN
8-pin MSOP
Top view
1
2
3
4
8
7
6
5
VCC
NC
TEST
GND
CS
SK
DI
DO
S-93C46AFJ
S-93C56AFJ
S-93C66AFJ
8-pin SOP1
Top view
NC
GND
TEST
DO
DI
SK
6
5
8
7
3
4
1
2
VCC
CS
SK
CS
8-pin SOP2
Top view
VCC
TEST
GND
DI
DO
6
5
8
7
3
4
1
2
NC
S-93C46ADFJ
S-93C56ADFJ
S-93C66ADFJ
Pin Functions
Table 1
Name
Pin Number
Function
DIP
SOP1
SOP2 TSSOP MSOP
CS
1
3
1
1
8
Chip select input
SK
2
4
2
2
7
Serial clock input
DI
3
5
3
3
6
Serial data input
DO
4
6
4
4
5
Serial data output
GND
5
7
5
5
4
Ground
TEST
6
8
6
6
3
Test pin (normally kept open)
(can be connected to GND or Vcc)
NC
7
1
7
7
2
No Connection
V
CC
8
2
8
8
1
Power supply
Figure 1
CMOS SERIAL E
2
PROM
S-93C46A/56A/66A
Features
Low power consumption
Standby
: 1.0
A 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)
Wide operating voltage range
Read/Write : 1.8 to 5.5 V
Sequential read capable
Endurance : 10
6
cycles/word
Data retention : 10 years
S-93C46A : 1K bits NM93CS46 instruction code compatible
S-93C56A : 2K bits NM93CS56 instruction code compatible
S-93C66A : 4K bits NM93CS66 instruction code compatible
CMOS SERIAL E
2
PROM
S-93C46A/56A/66A
Rev. 2.2
_10
Seiko Instruments Inc.
4
DC Electrical Characteristics
Parameter
Smbl
Conditions
V
CC
=4.5 V to 5.5
V
V
CC
=2.5 V to 4.5
V
V
CC
=1.8 to 2.5 V
Unit
Min.
Typ. Max. Min.
Typ.
Max.
Min.
Typ. Max.
Current
consumption
(READ)
I
CC1
DO unloaded
0.8
0.6
0.4
mA
Current
consumption
(PROGRAM)
I
CC2
DO unloaded
2.0
1.5
1.0
mA
Parameter
Smbl
Conditions
V
CC
=4.5 V to 5.5 V
V
CC
=2.5 to 4.5 V
V
CC
=1.8 to 2.5 V
Unit
Min.
Typ. Max.
Min.
Typ. Max.
Min.
Typ. Max.
Standby current
consumption
I
SB
CS=GND DO=Open
Connected to V
CC
or GND
1.0
--
--
0.6
--
--
0.4
A
Input leakage
current
I
LI
V
IN
=GND to V
CC
0.1
1.0
--
0.1
1.0
--
0.1
1.0
A
Output leakage
current
I
LO
V
OUT
=GND to V
CC
0.1
1.0
--
0.1
1.0
--
0.1
1.0
A
Low level output
V
OL
I
OL
=2.1 mA
0.4
V
voltage
I
OL
=100
A
0.1
--
--
0.1
--
--
0.1
V
High level output
V
OH
I
OH
=-400
A
2.4
V
voltage
I
OH
=-100
A
V
CC
-
0.7
V
CC
-
0.7
--
--
V
I
OH
=-10
A
V
CC
-
0.7
V
CC
-
0.7
--
--
V
CC
-
0.2
--
--
V
Write enable latch
data hold voltage
V
DH
Only when write disable
mode
1.5
1.5
--
--
1.5
--
--
V
Table
7
Table
8