MD3331-D32-V3Q18 M-Systems Inc., MD3331-D32-V3Q18 Datasheet - Page 58

• Manufacturer Part Number: MD3331-D32-V3Q18
• Description: Mobile Diskonchip Plus 128Mbits 1.8V I/o
• Manufacturer: M-Systems Inc.

10.4.3 Read Cycle Timing Multiplexed Interface
Note: When designing your board to support also DiskOnChip Plus 32MB or 64MB devices, it is not possible to use VCC=2.5-3.6V, as these
58
tho(CE0)
tsu(CE0)
tsu(AVD)
tho(AVD)
Tw(AVD)
tho(CE1)
tsu(CE1)
trec(OE)
Symbol
tloz(D)
Thiz(D)
devices only support VCC=2.7-3.6V.
Tacc
AD[15:0]
3
1
2
AVD#
WE#
CE#
OE#
OE# or WE#
CE#
OE# negated to start of next cycle
Address to AVD#
Address to AVD#
CE#
T
OE#
Table 18: Multiplexed Interface Read Cycle Parameters (VCC 2.5-3.6V)
Read access time (all other
HO
Read access time (RAM)
OE#
AVD# low pulse width
(CE1)
to WE#
OE#
T
SU
to OE#
Description
to CE#
addresses)
(AVD)
Figure 22: Multiplexed Interface Read Cycle Timing
to D Hi-Z delay
time
to CE#
to D driven
ADDR
Tw(AVD)
or OE#
T
setup time
SU
hold time
setup time
hold time
(CE0)
T
hold time
HO
(AVD)
Data Sheet, Rev. 1.7
setup
2
1
T
ACC
Min
VCC=2.5-3.6V
12
20
15
—
—
5
7
6
6
VCCQ=VCC
T
HO
(CE0)
DATA
Max
107
87
23
Mobile DiskOnChip Plus 16/32MByte 1.8V I/O
T
HIZ
T
REC
(D)
T
SU
VCCQ=1.65-1.9V
(OE)
Min
VCC=2.5-3.6V
12
20
15
—
—
(CE1)
5
7
6
6
Max
116
96
27
95-SR-000-10-8L
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns