NM1482KSLAXCL datasheet(88/121 Pages) NANYA

88 / 121 page

Version 1.6

Nanya Technology Corp.

05/2018

4Gb SLC NAND + 2Gb LPDDR2

NM148(F)2KSLAXCL/NM1482NSLAXCL

NTC Proprietary

Level: Property

Differential Output Slew Rate

With the reference load for timing measurements, the output slew rate for falling and rising edges is defined and

measured between VOldiff(AC) and VOhdiff(AC) for differential signals as shown below.

Differential Output Slew Rate Definition

Description

Defined by

Measured

From

Differential output slew rate for rising edge

[VOHdiff(AC)

– VOLdiff(AC)] / ΔTRdiff

VOLdiff(AC)

VOHdiff(AC)

Differential output slew rate for falling edge

[VOHdiff(AC)

– VOLdiff(AC)] / ΔTFdiff

VOHdiff(AC)

VOLdiff(AC)

Notes:

Output slew rate is verified by design and characterization, and may not be subject to production testing.

Differential Output Slew Rate

Symbol

Parameter

LPDDR2 1066

Unit

Min

Max

SRQdiff

Differential output slew rate (output impedance = 40Ω ± 30%)

3.0

7.0

V/ns

SRQdiff

Differential output slew rate (output impedance = 60Ω ± 30%)

2.0

5.0

V/ns

Definitions:

SR = slew rate, Q = query output (similar to DQ = data-in, query-output), diff = differential signals

NOTE 1 Measured with output reference load.

NOTE 2 The output slew rate for falling and rising edges is defined and measured between VOL(AC) and VOH(AC).

NOTE 3 Slew rates are measured under normal SSO conditions, with 1/2 of DQ signals per data byte driving logic-high and 1/2 of

DQ signals per data byte driving logic-low.

AC Overshoot/Undershoot Specification

Parameter

1066

Unit

Maximum peak amplitude provided for overshoot area

Max

0.35

Maximum peak amplitude provided for undershoot area

Max

0.35

Maximum area above VDD

Max

0.15

V-ns

Maximum area below VSS

Max

0.15

V-ns

Notes:

1. VDD stands for VDDCA for CA[9:0], CK, , , and CKE. VDD stands for VDDQ for DQ, DM, DQS, and .

2. VSS stands for VSS for CA[9:0], CK, , , and CKE. VSS stands for VSS for DQ, DM, DQS, and .

3. Values are referenced from actual VDDQ, VDDCA and VSS levels.

NM1482KSLAXCL Datasheet(PDF) 88 Page - Nanya Technology Corporation.

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