w79e532 Winbond Electronics Corp America, w79e532 Datasheet - Page 64

• Manufacturer Part Number: w79e532
• Description: 8-bit Microcontroller
• Manufacturer: Winbond Electronics Corp America

18.3.1 A.C. Specification
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
Input Instruction Hold After PSEN
Input Instruction Float After PSEN
Port 0 Address to Valid Instr. In
Port 2 Address to Valid Instr. In
Data Hold After Read
Data Float After Read
PSEN Pulse Width
PSEN Low to Valid Instruction In
PSEN Low to Address Float
RD Low to Address Float
PARAMETER
SYMBOL
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
LLAX1
LLAX2
t
t
t
AVIV1
AVIV2
RHDX
RHDZ
PLPH
PLAZ
RLAZ
LHLL
AVLL
LLPL
PLIV
PXIX
PXIZ
LLIV
CLCL
- 64 -
VARIABLE
1.5t
0.5t
0.5t
0.5t
0.5t
2.0t
CLOCK
MIN.
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0
0
0
0
- 5
- 5
- 5
- 5
- 5
- 5
W79E532/W79L532
2.5t
2.0t
3.0t
3.5t
VARIABLE
0.5t
CLOCK
t
t
CLCL
CLCL
MAX.
CLCL
CLCL
CLCL
CLCL
CLCL
40
- 5
- 5
- 20
- 20
- 20
- 20
- 5
UNITS
MHz
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS