80C196NU Intel Corporation, 80C196NU Datasheet - Page 28

• Manufacturer Part Number: 80C196NU
• Description: COMMERCIAL CHMOS MICROCONTROLLER
• Manufacturer: Intel Corporation

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8XC196NU COMMERCIAL CHMOS 16-BIT MICROCONTROLLER
24
6.2.2
Each AC timing symbol is two pairs of letters prefixed by “T” for time. The characters in a pair indicate a signal
and its condition, respectively. Symbols represent the time between the two signal/condition points.
EXPLANATION OF AC SYMBOLS
Character
Character
HA
W
Q
A
B
C
D
H
R
S
X
Y
H
V
X
Z
L
L
AD15:0, A19:0
BHE#
CLKOUT
AD15:0, AD7:0
HOLD#
HLDA#
ALE
AD15:0, AD7:0
RD#
CS x #
WR#, WRL#
XTAL1,
READY
High
Low
Valid
No Longer Valid
Floating (low impedance)
Table 11. AC Timing Symbol Definitions
Condition
Signal(s)
PRELIMINARY