MT46V32M8 MICRON [Micron Technology], MT46V32M8 Datasheet - Page 22

• Manufacturer Part Number: MT46V32M8
• Description: Double Data Rate (DDR) SDRAM
• Manufacturer: MICRON [Micron Technology]

Figure 10:
PDF: 09005aef80768abb/Source: 09005aef82a95a3a
DDR_x4x8x16_Core2.fm - 256Mb DDR: Rev. O, Core DDR: Rev. B 1/09 EN
Transmitter
Input Voltage Waveform
Notes:
1. V
2. V
3. Numbers in diagram reflect nominal values utilizing circuit below for all devices other than
-5B.
OH
OL
(MAX) with test load is 0.373V.
(MIN) with test load is 1.927V.
25Ω
V
V
V
VssQ
OL
DD
OH
1.560V
1.400V
1.300V
1.275V
1.250V
1.225V
1.200V
1.100V
0.940V
V
V
IN
Q (2.3V MIN)
System noise margin (power/ground,
crosstalk, signal integrity attenuation)
(MIN) (1.670V
(MAX) (0.83V
(
TT
AC
between
and
25Ω
) - provides margin
V
termination)
IL
(
AC
V
)
2
OL
1
for SSTL_2
for SSTL_2 termination)
Reference
point
(MAX)
20
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Electrical Specifications – DC and AC
256Mb: x4, x8, x16 DDR SDRAM
Receiver
©2003 Micron Technology, Inc. All rights reserved.
V
V
V
V
V
V
V
V
IH
IH
REF
REF
REF
REF
IL
IL
(
(
(
(
DC
AC
AC
DC
+ AC noise
+ DC error
- DC error
- AC noise
)
)
)
)