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93LC66A Datasheet(PDF) 4 Page - Microchip Technology

Part # 93LC66A
Description  4K Microwire Compatible Serial EEPROM
PDF  25 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

93LC66A Datasheet(HTML) 4 Page - Microchip Technology

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93AA66A/B/C, 93LC66A/B/C, 93C66A/B/C
DS21795B-page 4
 2003 Microchip Technology Inc.
FIGURE 1-1:
SYNCHRONOUS DATA TIMING
TABLE 1-3:
INSTRUCTION SET FOR X 16 ORGANIZATION (93XX66B OR 93XX66C WITH ORG = 1)
TABLE 1-4:
INSTRUCTION SET FOR X 8 ORGANIZATION (93XX66A OR 93XX66C WITH ORG = 0)
Instruction
SB
Opcode
Address
Data In
Data Out
Req. CLK Cycles
ERASE
1
11
A7 A6A5 A4A3A2A1 A0
—
(RDY/BSY)11
ERAL
1
00
1
0
XXX
XX
X
—
(RDY/BSY)11
EWDS
1
00
0
0
XXX
XX
X
—
HIGH-Z
11
EWEN
1
00
1
1
XXX
XX
X
—
HIGH-Z
11
READ
1
10
A7 A6A5 A4A3A2A1 A0
—
D15 – D0
27
WRITE
1
01
A7 A6A5 A4A3A2A1 A0
D15 – D0
(RDY/BSY)27
WRAL
1
00
0
1
XXX
XX
X
D15 – D0
(RDY/BSY)27
Instruction
SB
Opcode
Address
Data In
Data Out
Req. CLK
Cycles
ERASE
1
11
A8 A7A6 A5A4A3A2 A1 A0
—
(RDY/BSY)12
ERAL
1
00
1
0
X
XXXX
X
X
—
(RDY/BSY)12
EWDS
1
00
0
0
X
XXXX
X
X
—
HIGH-Z
12
EWEN
1
00
1
1
X
XXXX
X
X
—
HIGH-Z
12
READ
1
10
A8 A7A6 A5A4A3A2 A1 A0
—
D7 – D0
20
WRITE
1
01
A8 A7A6 A5A4A3A2 A1 A0
D7 – D0
(RDY/BSY)20
WRAL
1
00
0
1
X
X
X
X
X
X
X
D7 – D0
(RDY/BSY)20
CS
VIH
VIL
VIH
VIL
VIH
VIL
VOH
VOL
VOH
VOL
CLK
DI
DO
(READ)
DO
(PROGRAM)
TCSS
TDIS
TCKH
TCKL
TDIH
TPD
TCSH
TPD
TCZ
STATUS VALID
TSV
TCZ
Note:
TSV is relative to CS.



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