W77IE58 Datasheet, PDF (83/90 Pages) Winbond – 8-BIT MICROCONTROLLER

Preliminary W77IE58
AC Specification, continued
PARAMETER
PSEN Low to Valid Instruction In
Input Instruction Hold After PSEN
Input Instruction Float After PSEN
Port 0 Address to Valid Instr. In
Port 2 Address to Valid Instr. In
PSEN Low to Address Float
Data Hold After Read
Data Float After Read
RD Low to Address Float
SYMBOL
t_PLIV
t_PXIX
t_PXIZ
t_AVIV1
t_AVIV2
t_PLAZ
t_RHDX
t_RHDZ
t_RLAZ
VARIABLE
CLOCK
MIN.
0
0
0
VARIABLE
CLOCK
MAX.
2.0t_CLCL - 20
t_CLCL - 5
3.0t_CLCL - 20
3.5t_CLCL - 20
t_CLCL - 5
0.5t_CLCL - 5
UNITS
nS
nS
nS
nS
nS
nS
nS
nS
nS
MOVX Characteristics Using Strech Memory Cycles
PARAMETER
SYMBOL
Data Access ALE Pulse Width
t_LLHL2
Address Hold After ALE Low for
MOVX write
RD Pulse Width
t_LLAX2
t_RLRH
WR Pulse Width
t_WLWH
RD Low to Valid Data In
t_RLDV
Data Hold after Read
Data Float after Read
t_RHDX
t_RHDZ
ALE Low to Valid Data In
t_LLDV
Port 0 Address to Valid Data In
t_AVDV1
VARIABLE
CLOCK
MIN.
1.5 t_CLCL - 5
2.0 t_CLCL - 5
0.5 t_CLCL - 5
2.0 t_CLCL - 5
t_MCS - 10
2.0 t_CLCL - 5
t_MCS - 10
0
VARIABLE
CLOCK
MAX.
2.0 t_CLCL - 20
t_MCS - 20
t_CLCL - 5
2.0 t_CLCL - 5
2.5 t_CLCL - 5
t_MCS + 2 t_CLCL - 40
3.0 t_CLCL - 20
2.0 t_CLCL - 5
UNITS
nS
nS
nS
nS
nS
nS
nS
nS
nS
STRECH
t_MCS = 0
t_MCS>0
t_MCS = 0
t_MCS>0
t_MCS = 0
t_MCS>0
t_MCS = 0
t_MCS>0
t_MCS = 0
t_MCS>0
t_MCS = 0
t_MCS>0
t_MCS = 0
t_MCS>0
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Publication Release Date: July 2000
Revision A1