TSC80251-SK TEMIC [TEMIC Semiconductors], TSC80251-SK Datasheet - Page 39
TSC80251-SK
Manufacturer Part Number
TSC80251-SK
Description
8/16-bit Microcontroller with Serial Communication Interfaces
Manufacturer
TEMIC [TEMIC Semiconductors]
Datasheet
1.TSC80251-SK.pdf
(63 pages)
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11. AC Characteristics - Commercial & Industrial
11.1 AC Characteristics - External Bus Cycles
Definition of symbols
Timings
Test conditions: capacitive load on all pins= 50 pF.
Table 45 and Table 46 list the AC timing parameters for the TSC80251G2D derivatives with no wait states. External
wait states can be added by extending PSEN#/RD#/WR# and or by extending ALE. In these tables, Note 2 marks
parameters affected by one ALE wait state, and Note 3 marks parameters affected by PSEN#/RD#/WR# wait states.
Figure 16 to Figure 21 show the bus cycles with the timing parameters.
Rev. A - May 7, 1999
A
D
L
Q
R
W
Address
Data In
ALE
Data Out
RD#/PSEN#
WR#
Table 44. External Bus Cycles Timing Symbol Definitions
Signals
H
L
V
X
Z
TSC80251G2D
High
Low
Valid
No Longer Valid
Floating
Conditions
39
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