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
AC Characteristics — Multiplexed Bus Mode
Test Conditions: Capacitive load on all pins = 50 pF, Rise and Fall Times = 3 ns.
Table 10. AC Characteristics, Multiplexed Bus Mode
Symbol
Parameter
VCC = 4.5 V – 5.5 V
Min
Max
The 8XC196NP Will Meet These Specifications
FXTAL1
TXTAL1
TXHCH
TCLCL
TCHCL
TAVRL
TAVWL
TWHSH
TRHSH
TCLLH
TLLCH
TLHLH
Input frequency on XTAL1
Period, 1/FXTAL1
XTAL1 High to CLKOUT High/Low
CLKOUT Cycle Time
CLKOUT High Period
AD15:0 Valid to RD# Low
AD15:0 Valid to WR# Low
A19:16, CSx# Hold after WR# Rising Edge
A19:16, CSx# Hold after RD# Rising Edge
CLKOUT Low to ALE High
ALE Low to CLKOUT High
ALE Cycle Time
8
25
40
125
10
110
2TXTAL1
TXTAL1 – 10 TXTAL1 + 10
2TXTAL1 – 20
2TXTAL1 – 10
0
0
–10
10
–15
10
4TXTAL1
TLHLL
ALE High Period
TXTAL1 – 10
TAVLL
AD15:0 Valid to ALE Low
TXTAL1 –15
TLLAX
AD15:0 Hold after ALE Low
TXTAL1 – 25
TLLRL
ALE Low to RD# Low
TXTAL1 – 15
TRLCL
RD# Low to CLKOUT Low
0
TRLRH
RD# Low Period
TXTAL1
TRHLH
RD# High to ALE High
TXTAL1 – 5
TRLAZ
RD# Low to Address Float
TLLWL
ALE Low to WR# Low
TXTAL1 – 15
TCLWL
CLKOUT Low to WR# Low
–15
TQVWH
Data Valid before WR# High
TXTAL1 – 15
TCHWH
CLKOUT High to WR# High
–10
TWLWH
WR# Low Period
TXTAL1 – 5
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 + 10
20
TXTAL1 + 15
5
10
10
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns (2)
ns
ns
ns
ns
ns
ns (2)
ns (3)
ns
ns
ns
ns (2)
ns
ns (2)
21
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