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IA80C152
Preliminary Data Sheet
UNIVERSAL COMMUNICATIONS CONTROLLER
A. C. Characteristics
Table 9:External Program and Data Memory Characteristics
Variable Oscillator
16.5 MHz
Symbol
1/TCLCL
Parameter
Unit
Min
Max
Min
Max
Oscillator Frequency
80C152JA/JC
MHZ
3.5
12
83C152JA/JC
83C152JB/JD
MHZ
80C152JA/JC-1
83C152JA/JC-1
80C152JB/JD-1
3.5
16.5
TLHLL
TAVLL
TLLAX
TLLIV
ns
ns
ns
ns
ALE Pulse Width
Address Valid to ALE Low
Address Hold After ALE Low
ALE Low to Valid
Instruction In
TLLPL
TPLPH
TPLIV
ns
ns
ns
ALE Low to PSENn Low
PSENn Pulse Width
PSENn Low to Valid
Instruction In
TPXIX
TPXIZ
TAVIV
TPLAZ
ns
ns
ns
ns
Input Instruction
Hold After PSENn
Input Instruction
Float After PSENn
Address to Valid
Instruction In
0
0
PSENn Low to Address
Float
TRLRH
TWLWH
TRLDV
RDn Pulse Width
WRn Pulse Width
RDn Low to Valid
Data In
ns
ns
ns
TRHDX
TRHDZ
TLLDV
0
0
ns
ns
ns
Data Hold After RDn
Data Float After RDn
ALE Low to Valid
Data In
TAVDV
TLLWL
TAVWL
TQVWX
ns
ns
ns
ns
Address to Valid
Data In
ALE Low to RDn or
WRn Low
Address to RDn or
WRn Low
Data Valid to WRn
Transition
TWHQX
TRLAZ
ns
ns
Data Hold After WRn
RDn Low to Address
Float
0
0
TWHLH
ns
RDn or WRn High to
ALE High
Input leakage is ± 1µA
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