Datasheet

 2003-2011 Microchip Technology Inc. DS21795E-page 5
93AA66A/B/C, 93LC66A/B/C, 93C66A/B/C
FIGURE 1-1: SYNCHRONOUS DATA TIMING
TABLE 1-3: INSTRUCTION SET FOR X16 ORGANIZATION (93XX66B OR 93XX66C WITH ORG = 1)
TABLE 1-4: INSTRUCTION SET FOR X8 ORGANIZATION (93XX66A OR 93XX66C WITH ORG = 0)
Instruction SB Opcode Address Data In Data Out Req. CLK Cycles
ERASE 1 11 A7 A6 A5 A4 A3 A2 A1 A0 — (RDY/BSY)11
ERAL 1 00 10XXXXXX — (RDY/
BSY)11
EWDS 1 00 00XXXXXX —High-Z 11
EWEN 1 00 11XXXXXX —High-Z 11
READ 1 10 A7 A6 A5 A4 A3 A2 A1 A0 — D15 – D0 27
WRITE 1 01 A7 A6 A5 A4 A3 A2 A1 A0 D15 – D0 (RDY/
BSY)27
WRAL 1 00 01XXXXXXD15 – D0 (RDY/
BSY)27
Instruction SB Opcode Address Data In Data Out
Req. CLK
Cycles
ERASE 1 11 A8 A7 A6 A5 A4 A3 A2 A1 A0 — (RDY/
BSY)12
ERAL 1 00 10X XXX XXX — (RDY/
BSY)12
EWDS 1 00 00X XXX XXX —High-Z 12
EWEN 1 00 11X XXX XXX —High-Z 12
READ 1 10 A8 A7 A6 A5 A4 A3 A2 A1 A0 — D7 – D0 20
WRITE 1 01 A8 A7 A6 A5 A4 A3 A2 A1 A0 D7 – D0 (RDY/
BSY)20
WRAL 1 00 01X XXX XXX D7 – D0 (RDY/
BSY)20
CS
V
IH
VIL
VIH
VIL
VIH
VIL
VOH
VOL
VOH
VOL
CLK
DI
DO
(Read)
DO
(Program)
T
CSS
TDIS
TCKH
TCKL
TDIH
TPD
TCSH
TPD
TCZ
Status Valid
TSV
TCZ
Note: TSV is relative to CS.