W77C32_07 Datasheet, PDF (69/78 Pages) Winbond – 8-BIT MICROCONTROLLER

W77C32/W77C032A
16.3.2 A.C. Specification
PARAMETER
Oscillator Frequency
ALE Pulse Width
Address Valid to ALE Low
Address Hold After ALE Low
Address Hold After ALE Low for MOVX Write
ALE Low to Valid Instruction In
ALE Low to PSEN Low
PSEN Pulse Width
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
SYM.
1/t_CLCL
t_LHLL
t_AVLL
t_LLAX1
t_LLAX2
t_LLIV
t_LLPL
t_PLPH
t_PLIV
t_PXIX
t_PXIZ
t_AVIV1
t_AVIV2
t_PLAZ
t_RHDX
t_RHDZ
t_RLAZ
VARIABLE
CLOCK MIN.
0
1.5 t_CLCL – 5
0.5 t_CLCL – 5
0.5 t_CLCL – 5
0.5 t_CLCL – 5
0.5 t_CLCL – 5
2.0 t_CLCL – 5
0
0
0
VARIABLE
CLOCK MAX.
40
2.5 t_CLCL – 20
UNITS
MHz
nS
nS
nS
nS
nS
nS
nS
2.0 t_CLCL – 20 nS
nS
t_CLCL – 5
nS
3.0 t_CLCL – 20 nS
3.5 t_CLCL – 20 nS
nS
nS
t_CLCL – 5
nS
0.5 t_CLCL – 5
nS
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Publication Release Date: February 1, 2007
Revision A8