m69ar048b STMicroelectronics, m69ar048b Datasheet - Page 28

• Manufacturer Part Number: m69ar048b
• Description: 32 Mbit 2mb X16 1.8v Asynchronous Psram
• Manufacturer: STMicroelectronics

M69AR048B
REVISION HISTORY
Table 16. Document Revision History
28/29
27-Sep-2002
12-Mar-2003
16-Jun-2003
09-Oct-2002
22-Apr-2003
24-Apr-2003
07-Apr-2004
04-Jul-2003
07-Jul-2003
17-Jul-2003
5-Oct-2005
July 2002
Date
Rev.
1.0
2.0
3.0
3.1
3.2
3.3
3.4
3.5
3.6
4.0
5.0
2.1
Document completely revised. Speed class changed to 80ns. Timing diagrams changed.
Voltage levels for operating modes changed.
85ns speed class added. Correction to signal description in Write Mode section;
tBLQZ,ELQZ,GLQZ renamed as tBLQX,ELQX,GLQX in Read Mode AC Characteristics; a
minor label correction in a timing diagram; and value of tEXCH(min) changed
Values for tPRC, tRC and tWC corrected in Read Mode and Write Mode AC Characteristics
tables
Binary address column in Address Key table corrected
70ns speed class added. t
First Issue
Document completely revised. Part Numbering clarified
Part Numbering changed
Characteristics.
Entries for t
Chip enable signals E1 and E2 must change together during Power-on sequence
Input capacitance added to
Figure 6., AC Measurement Load Circuit
Table 11., Read Mode AC
parameter changed to t
Mode AC
Note 2 to
“Data key”and “Address key” replaced by “Power-Down Configuration Data” and “Power-
Down Configuration Address”. “Sleep” replaced by “Deep Power-down”.
section corrected. All drawings converted to STMicroelectronics standard. For conformity
with
changed to t
Characteristics.
Datasheet status updated to Full Datasheet.
Note 3 removed from in t
Figure 13., Chip Enable Controlled, Write AC
Figure 10., UB/LB Controlled, Read Mode AC
Waveforms.
AVEL
EHDZ
and t
, t
BHDZ
EHAX
EHQX
and t
BHQZ
EXCH
Characteristics, and associated notes modified. t
corrected to -5ns. Document status set to Preliminary Data.
Figure
in
WHDZ
, t
Figure 9., Address and Output Enable Controlled, Read
EHQZ
timing modified in Table 13, Standby Mode AC
5., and title changed to
, respectively in
Revision Details
and t
2.
GHQZ
Table 11., Read Mode AC
Waveforms, t
Table 12., Write Mode AC
Waveforms, modified.
AC Measurement Load Circuit
EHDX
, t
BHDX
Write Mode
Characteristics.
EHQV
and t
WHDX
1.