STC4130 Datasheet, PDF (19/44 Pages) List of Unclassifed Manufacturers – Synchronous Clock for SETS

STC4130
Synchronous Clock for SETS
Data Sheet
Motorola Bus
In Motorola mode, the device will interface to 680xx type processors. The BUS_CS, BUS_RDB, BUS_A(6-0),
BUS_AD(7-0), and BUS_RDY pins are used, corresponding to CS, R/W, A, AD, and RDY, respectively. Timing
is as follows:
Motorola Bus Timing
t_CS
t_CSd
CS
t_RWs
t_RWh
R/W
A
AD
RDY
t_As
Address
t_Dd1
t_RDYd1
t_RDY
Data
t_RDYh
t_Ah
t_Dd2
t_RDYd2
Figure 11: Motorola Bus Read Timing
Table 6: Motorola Bus Read Timing
Symbol
t_CS
t_CSd
t_RWs
t_RWh
t_As
t_Ah
t_Dd1
t_Dd2
t_RDY1
t_RDY
t_RDYh
Description
CS low time
CS minimum high time between reads/writes
Read/write setup time
Read/write hold time
Address setup
Address hold
Data valid delay from CS low
Data high-z delay from CS low
CS low to RDY high delay
RDY high time
CS hold after RDY low
Min
Max
Unit
50
nS
50
nS
0
nS
0
nS
10
nS
0
nS
50
nS
10
nS
13
nS
37
50
nS
0
nS
Data Sheet #: TM084 Page 19 of 44 Rev: P02 Date: 12/5/06
© Copyright 2006 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice