Datasheet

93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C
DS21749D-page 4  2003 Microchip Technology Inc.
FIGURE 1-1: SYNCHRONOUS DATA TIMING
TABLE 1-3: INSTRUCTION SET FOR X 16 ORGANIZATION (93XX46B OR 93XX46C WITH ORG = 1)
TABLE 1-4: INSTRUCTION SET FOR X 8 ORGANIZATION (93XX46A OR 93XX46C WITH ORG = 0)
Instruction SB Opcode Address Data In Data Out Req. CLK Cycles
ERASE
1 11 A5A4A3A2A1A0 — (RDY/BSY)9
ERAL
1 00 1 0 X X X X — (RDY/BSY)9
EWDS
1 00 0 0 X X X X — HIGH-Z 9
EWEN
1 00 1 1 X X X X — HIGH-Z 9
READ
1 10 A5A4A3A2A1A0 — D15 - D0 25
WRITE
1 01 A5A4A3A2A1A0 D15 - D0 (RDY/BSY)25
WRAL
1 00 0 1 X X X X D15 - D0 (RDY/BSY)25
Instruction SB Opcode Address Data In Data Out Req. CLK Cycles
ERASE
1 11 A6A5A4A3A2A1A0 — (RDY/BSY)10
ERAL
1 00 10XXXXX — (RDY/BSY)10
EWDS
1 00 00XXXXX — HIGH-Z 10
EWEN
1 00 11XXXXX — HIGH-Z 10
READ
1 10 A6A5A4A3A2A1A0 — D7 - D0 18
WRITE
1 01 A6A5A4A3A2A1A0 D7 - D0 (RDY/BSY)18
WRAL
1 00 0 1 X X X X X D7 - D0 (RDY/BSY)18
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.