MT48LC8M32B2B5-7 View Datasheet(PDF) - Micron Technology
Part Name
Description
MFG CO.
'MT48LC8M32B2B5-7' PDF : 55 Pages View PDF
AC FUNCTIONAL CHARACTERISTICS
(Notes: 5, 6, 7, 8, 9, 11; notes appear on page 36)
PARAMETER
READ/WRITE command to READ/WRITE command
CKE to clock disable or power-down entry mode
CKE to clock enable or power-down exit setup mode
DQM to input data delay
DQM to data mask during WRITEs
DQM to data high-impedance during READs
WRITE command to input data delay
Data-in to ACTIVE command
CL = 3
CL = 2
CL = 1
Data-in to PRECHARGE command
Last data-in to burst STOP command
Last data-in to new READ/WRITE command
Last data-in to PRECHARGE command
LOAD MODE REGISTER command to ACTIVE or REFRESH command
Data-out to high-impedance from PRECHARGE command
CL = 3
CL = 2
CL = 1
PRELIMINARY
256Mb: x32
SDRAM
SYMBOL
-6
tCCD
1
tCKED
1
tPED
1
tDQD
0
tDQM
0
tDQZ
2
tDWD
0
tDAL (3)
5
tDAL (2)
4
tDAL (1)
3
tDPL
2
tBDL
1
tCDL
1
tRDL
2
tMRD
2
tROH (3)
3
tROH (2)
2
tROH (1)
1
-7
UNITS NOTES
1
tCK 17
1
tCK 14
1
tCK 14
0
tCK 17
0
tCK 17
2
tCK 17
0
tCK 17
5
tCK 15, 21
4
tCK 15, 21
3
tCK 15, 21
2
tCK 16, 21
1
tCK 17
1
tCK 17
2
tCK 16, 21
2
tCK 26
3
tCK 17
2
tCK 17
1
tCK 17
IDD SPECIFICATIONS AND CONDITIONS
(Notes: 1, 6, 11, 13; notes appear on page 36) (VDD, VDDQ = +3.3V ±0.3V)
PARAMETER/CONDITION
SYMBOL
Operating Current: Active Mode; Burst = 2; READ or
IDD1
WRITE;
tRC = tRC (MIN)
Standby Current: Power-Down Mode; All banks idle; CKE IDD2N
= LOW
Standby Current: Power-Down Mode; All banks idle; CKE IDD2NS
= HIGH
Standby Current: Active Mode; CKE = HIGH; CS# = HIGH; IDD3NS
All banks active after tRCD met; No accesses in progress
Standby Current: Active Mode; CKE = LOW; CS# = HIGH;
All banks active; No accesses in progress
Operating Current: Burst Mode; Continuous burst; READ
or WRITE; All banks active, half DQs toggling every cycle.
IDD3N
IDD4
Auto Refresh Current
CKE = HIGH; CS# = HIGH
tRFC = tRFC
(MIN)
IDD5
SELF REFRESH current: CKE < 0.2V
tRFC =
15.625µs
IDD6
IDD7
MAX
-6
-7
210
190
300
300
30
30
40
40
30
30
165
145
335
295
3
3
1
1
UNITS NOTES
mA 3, 18, 19, 26
µA
mA
mA 3, 12, 19, 26
mA
mA 3, 18, 19, 26
mA 3, 12, 18, 19,
26
mA
mA
09005aef80cd8e48
256MbSDRAMx32.p65 – Rev. B; Pub. 03/04
35
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2003 Micron Technology, Inc.
Share Link: 
