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S-93C46A Datasheet(PDF) 3 Page - Seiko Instruments Inc

No. de Pieza. S-93C46A
Descripción  CMOS SERIAL E2PROM
Descarga  53 Pages
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Fabricante  SII [Seiko Instruments Inc]
Página de inicio  http://www.sii.co.jp
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S-93C46A Datasheet(HTML) 3 Page - Seiko Instruments Inc

 
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CMOS SERIAL E
2PROM
S-93C46A/56A/66A
Seiko Instruments Inc.
2
n
Block Diagram
n
Instruction Set
Table 2
Instruction
Start
Bit
Op
Code
Address
Data
S-93C46A
S-93C56A
S-93C66A
READ
(Read data)
1
10
A5 to A0
XA6 to A0
A7 to A0
D15 to D0 Output*1
WRITE
(Write data)
1
01
A5 to A0
XA6 to A0
A7 to A0
D15 to D0 Input
ERASE (Erase data)
1
11
A5 to A0
XA6 to A0
A7 to A0
WRAL
(Write all)*2
1
00
01xxxx
01xxxxxx
01xxxxxx
D15 to D0 Input
ERAL
(Erase all)*2
1
00
10xxxx
10xxxxxx
10xxxxxx
EWEN
(Program enable)
1
00
11xxxx
11xxxxxx
11xxxxxx
EWDS
(Program disable)
1
00
00xxxx
00xxxxxx
00xxxxxx
x :
Doesn’t matter.
*1 :
Addresses are continuously incremented.
*2 :
Valid only at Vcc = 2.5 V to 5.5 V.
n
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Power supply voltage
VCC
-0.3 to +7.0
V
Input voltage
VIN
-0.3 to VCC+0.3
V
Output voltage
VOUT
-0.3 to VCC
V
Storage temperature under bias
Tbias
-50 to +95
°C
Storage temperature
Tstg
-65 to +150
°C
Figure 2
Memory array
Data register
Address
decoder
Mode decode logic
Clock generator
Output buffer
VCC
GND
DO
DI
CS
SK
Table 3


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