256Mb: x4, x8, x16 Automotive SDRAM
Features
Automotive SDR SDRAM
MT48LC64M4A2 – 16 Meg x 4 x 4 banks
MT48LC32M8A2 – 8 Meg x 8 x 4 banks
MT48LC16M16A2 – 4 Meg x 16 x 4 banks
Features
Options
• 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)
• Auto refresh
– 64ms, 8192-cycle (commercial and industrial)
– 16ms, 8192-cycle (automotive)
• LVTTL-compatible inputs and outputs
• Single 3.3V ±0.3V power supply
• AEC-Q100
• PPAP submission
• 8D response time
Options
•
•
•
Marking
• Configurations
– 64 Meg x 4 (16 Meg x 4 x 4 banks)
– 32 Meg x 8 (8 Meg x 8 x 4 banks)
– 16 Meg x 16 (4 Meg x 16 x 4 banks)
• Write recovery (tWR)
– tWR = 2 CLK
• Plastic package – OCPL1
– 54-pin TSOP II OCPL 1 (400 mil)
(standard)
•
64M4
32M8
16M16
– 54-pin TSOP II OCPL 1 (400 mil)
Pb-free
– 60-ball FBGA (x4, x8) (8mm x 16mm)
– 60-ball FBGA (x4, x8) (8mm x 16mm)
Pb-free
– 54-ball VFBGA (x16) (8mm x 14 mm)
– 54-ball VFBGA (x16) (8mm x 14 mm)
Pb-free
– 54-ball VFBGA (x16) (8mm x 8 mm)
– 54-ball VFBGA (x16) (8mm x 8 mm)
Pb-free
Timing – cycle time
– 6ns @ CL = 3 (x8, 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
Notes:
A2
1.
2.
3.
4.
Marking
P
FB
BB
FG2
BG2
F43
B43
-6A
-75
-7E
None
L4
AIT
AAT4
:D/:G
Off-center parting line.
Only available on Revision D.
Only available on Revision G.
Contact Micron for availability.
TG
Table 1: Key Timing Parameters
CL = CAS (READ) latency
Access Time
Speed Grade
Clock
Frequency
CL = 2
CL = 3
Setup Time
Hold Time
-6A
167 MHz
–
5.4ns
1.5ns
0.8ns
-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: 09005aef848d99e8
256Mb_ait_aat_sdr_esg.pdf - Rev. B 11/13 EN
1
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2012 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.
