MT41J256M8DA-125:H Micron Technology Inc, MT41J256M8DA-125:H Datasheet - Page 54

• Manufacturer Part Number: MT41J256M8DA-125:H
• Manufacturer: Micron Technology Inc

Specifications of MT41J256M8DA-125:H

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Slew Rate Definitions for Single-Ended Input Signals
PDF: 09005aef826aaadc
2Gb_DDR3_SDRAM.pdf – Rev. K 04/10 EN
Note:
Table 29: Allowed Time Before Ringback (
DQS# (Continued)
Setup (
tween the last crossing of V
nominal slew rate for a falling signal is defined as the slew rate between the last crossing
of V
Hold (
tween the last crossing of V
nominal slew rate for a falling signal is defined as the slew rate between the last crossing
of V
Table 30: Single-Ended Input Slew Rate Definition
1. Below V
Input
Input Slew Rates
Setup
Hold
REF
IH(DC)min
(Linear Signals)
Slew Rate (V/ns)
t
IH and
t
and the first crossing of V
IS and
<1.0
IL(AC)
and the first crossing of V
1.4
1.2
1.0
t
t
DH) nominal slew rate for a rising signal is defined as the slew rate be-
DS) nominal slew rate for a rising signal is defined as the slew rate be-
Falling
Falling
Rising
Rising
Edge
REF
IL(DC)max
V
V
IL(DC)max
IH(DC)min
From
54
V
V
and the first crossing of V
REF
REF
IL(AC)max
Measured
and the first crossing of V
Electrical Specifications – DC and AC
REF
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
DVAC (ps) at |V
350mV
.
(see Figure 20 (page 55)).
22
13
V
V
0
0
IH(AC)min
IL(AC)max
V
V
To
2Gb: x4, x8, x16 DDR3 SDRAM
REF
REF
t
DVAC) for CK - CK# and DQS -
IH,diff(AC)
IH(AC)min
REF
© 2006 Micron Technology, Inc. All rights reserved.
. Setup (
. Hold (
V
V
V
V
to V
IH(AC)min
REF
REF
IH(DC)min
Calculation
ΔTRSH
- V
- V
IL,diff(AC)
ΔTRS
ΔTFH
ΔTFS
300mV
IL(AC)max
IL(DC)max
159
155
150
150
t
IH and
t
IS and
- V
- V
REF
REF
|
t
t
DH)
DS)