80C196NP Ver la hoja de datos (PDF) - Intel
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80C196NP Datasheet PDF : 51 Pages
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8XC196NP COMMERCIAL CHMOS 16-BIT MICROCONTROLLER
Table 10. AC Characteristics, Multiplexed Bus Mode (Continued)
Symbol
Parameter
VCC = 4.5 V – 5.5 V
Min
Max
The 8XC196NP Will Meet These Specifications
TWHQX
Data Hold after WR# High
TXTAL1 – 20
TWHLH
WR# High to ALE High
TXTAL1 – 12
TWHBX
BHE#, INST Hold after WR# High
TXTAL1 – 10
TWHAX
AD15:8 Hold after WR# High
TXTAL1 – 10
TRHBX
BHE#, INST Hold after RD# High
TXTAL1 – 10
TRHAX
AD15:8 Hold after RD# High
TXTAL1 – 10
NOTES:
1. Exceeding the maximum specification causes additional wait states.
2. If wait states are used, add 2TXTAL1 × n, where n = number of wait states.
3. Assuming back-to-back bus cycles.
4. 8-bit bus only.
TXTAL1 + 20
Units
ns
ns (3)
ns
ns (4)
ns
ns (4)
Table 11. AC Characteristics, Multiplexed Bus Mode
Symbol
Parameter
VCC = 4.5 V – 5.5 V
Min
Max
The External Memory System Must Meet These Specifications
TAVYV
AD15:0 Valid to READY Setup
2TXTAL1 – 50
TYLYH
Non READY Time
No Upper Limit
TCLYX
READY Hold after CLKOUT Low
0
TXTAL1 – 10
TAVDV
AD15:0 Valid to Input Data Valid
3TXTAL1 – 40
TRLDV
RD# Active to Input Data Valid
TXTAL1 – 20
TSLDV
Chip-select Low, A19:16 Valid to Data Valid
4TXTAL1 – 50
TCLDV
CLKOUT Low to Input Data Valid
TXTAL1 – 35
TRHDZ
End of RD# to Input Data Float
TXTAL1 – 5
TRXDX
Data Hold after RD# Inactive
0
NOTES:
1. Exceeding the maximum specification causes additional wait states.
2. If wait states are used, add 2TXTAL1 × n, where n = number of wait states.
Units
ns
ns
ns (1)
ns (2)
ns (2)
ns
ns
ns
22
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