PUMA 2/67/77S4000/A - 020/025/35
Issue 4.3 : December 1999
Read Cycle Timing Waveform
(1,2)
t
A0~A16
RC
t
AA
OE
t
OE
t
OLZ
CS1~4
t
OH
t
CLZ
t
ACS
t
CHZ(3)
t
OHZ(3)
High-Z
D0~31
Data Valid
Notes:
(1) During the Read Cycle, WE is high for the modules.
(2) Address valid prior to or coincident with CS transition Low.
(3) t
CHZ
and t
OHZ
are defined as the time at which the outputs achieve the open circuit conditions and are not referenced
to output voltage levels. These parameters are sampled and not 100% tested.
Write Cycle No.1 Timing Waveform
t
WC
A0~A16
OE
t
AS(3)
t
AW
t
CW(4)
(6)
t
WR
(2)
CS1~4
t
WP(1)
WE1~4
t
OHZ(3,9)
D0~31out
High-Z
t
DW
High-Z
t
OW
t
DH
D0~31in
5
MOSAIC [ MOSAIC ]
