SLRC400 Datasheet, PDF (120/130 Pages) NXP Semiconductors – I·CODE Reader IC

Philips Semiconductors
I•CODE Reader IC
Product Specification Rev. 2.0 November 2001
SL RC400
19.5 AC Electrical Characteristics
19.5.1 AC SYMBOLS
Each timing symbol has five characters. The first character is always 't' for time. The other characters
indicate the name of a signal or the logic state of that signal (depending on position):
Designation:
A
D
W
R
L
C
S
Signal:
address
data
NWR or nWait
NRD or R/NW or nWrite
ALE or AS
NCS
NDS or nDStrb and nAStrb
Designation:
H
L
Z
X
V
Logic Level:
HIGH
LOW
high impedance
any level or data
any valid signal or data
Example: t = time for address valid to ALE low
AVLL
120
Preliminary