64Mb: x8, x16 SDRAM
Features
SDR SDRAM
MT48LC8M8A2 – 2 Meg x 8 x 4 Banks
MT48LC4M16A2 – 1 Meg x 16 x 4 Banks
Features
Options
Marking
• Configuration
– 8 Meg x 8 (2 Meg x 8 x 4 banks)
– 4 Meg x 16 (1 Meg x 16 x 4 banks)
• Write recovery (tWR)
– tWR = 2 CLK1
• Plastic package – OCPL2
– 54-pin TSOP II (400 mil)
– 54-pin TSOP II (400 mil) Pb-free,
RoHS-compliant
– 54-ball VFBGA 8mm x 8mm
(x16 only)
– 54-ball VFBGA 8mm x 16mm, Pbfree, RoHS-compliant (x16 only)
• Timing – cycle time
– 6ns @ CL = 3 (x16 only)
– 7.5ns @ CL = 3 (PC133)
– 7.5ns @ CL = 2 (PC133)
• Self refresh
– Standard
– Low power
• Operating temperature range
– Industrial (–40˚C to +85˚C)
– Automotive (–40˚C to +105˚C)
• Revision
• PC100- and PC133-compliant
• Fully synchronous; all signals registered on positive
edge of system clock
• Internal, pipelined operation; column address can
be changed every clock cycle
• Internal banks for hiding row access/precharge
• Programmable burst lengths: 1, 2, 4, 8, or full page
• Auto precharge, includes concurrent auto precharge
and auto refresh modes
• Self refresh mode (not available on AAT devices)
• Refresh
– 64ms, 4096-cycle refresh (15.6µs/row)
(industrial)
– 16ms, 4096-cycle refresh (3.9µs/row)
(automotive)
• LVTTL-compatible inputs and outputs
• Single 3.3V ±0.3V power supply
• AEC-Q100
• PPAP submission
• 8D response time
Notes:
8M8
4M16
A2
TG
P
F4
B43
-6A
-75
-7E
None
L
AIT
AAT3
:J
1. See Micron technical note TN-48-05 on
Micron's Web site.
2. Off-center parting line.
3. Contact Micron for availability.
Table 1: Key Timing Parameters
CL = CAS (READ) latency
Access Time
Speed Grade
Clock
Frequency
CL = 2
CL = 3
Setup Time
-6A
167 MHz
–
5.5ns
1.5ns
1ns
-7E
143 MHz
–
5.4ns
1.5ns
0.8ns
-75
133 MHz
–
5.4ns
1.5ns
0.8ns
-7E
133 MHz
5.4ns
–
1.5ns
0.8ns
-75
100 MHz
6ns
–
1.5ns
0.8ns
PDF: 09005aef84942e37
64mb_ait_aat_sdr.pdf - Rev. C 11/13 EN
1
Hold Time
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2011 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.
