no ce. ISSI assumes no liability arising out of the applica on or use of any informa on, products or services described herein. Customers are advised to obtain the
latest version of this device specifica on before relying on any published informa on and before placing orders for prodsu.c t
Integrated Silicon Solu on, Inc. does not recommend the use of any of its products in life support applica ons where the failure or malfunc on of the product can
reasonably be expected to cause failure of the life support system or to significantly affect its safety or effec veness. Products are not authorized for use in such
applica ons unless Integrated Silicon Solu on, Inc. receives wri en assurance to its sa sfac on, that:
a.) the risk of injury or damage has been minimized;
b.) the user assume all such risks; and
c.) poten al liability of Integrated Silicon Solu on, Inc is adequately protected under the circumstances
RLDRAM® is a registered trademark of Micron Technology, Inc.
www.issi.com
Rev.00C
09/18/2019
1
1Gb: x18, x36 RLDRAM 3
Features
Figure 1: 1Gb RLDRAM
®
3 Part Numbers
Example Part Number: IS49RL18640-083EBLI
-
IS49RL
Speed Package Temp
Temperature
64 Meg x 18
32 Meg x 36
Speed Grade
-083F
-083E
-093F
-093E
-107E
t
CK
t
CK
t
CK
t
CK
t
CK
18640
36320
Commercial
Industrial
None
I
Package
168-ball BGA (Pb-free)
= 0.83ns (6.67ns
t
RC)
= 0.83ns (7.5ns
t
RC)
= 0.93ns (7.5ns
t
RC)
= 0.93ns (8ns
t
RC)
= 1.07ns (8ns
t
RC)
BL
www.issi.com
Rev.00C
09/18/2019
2
1Gb
: x18, x36 RLDRAM 3
Contents
Contents
General Description .........................................................................................................................................
9
General Notes ..............................................................................................................................................
9
State Diagram ................................................................................................................................................
Slew Rate Definitions for Single-Ended Output Signals .....................................................................................
40
Slew Rate Definitions for Differential Output Signals ........................................................................................
41
Speed Bin Tables ............................................................................................................................................
42
AC Electrical Characteristics ...........................................................................................................................
43
Temperature and Thermal Impedance Characteristics .....................................................................................
49
Command and Address Setup, Hold, and Derating ...........................................................................................
51
Data Setup, Hold, and Derating .......................................................................................................................
Data Latency ..............................................................................................................................................
ZQ Calibration Long ...................................................................................................................................
72
ZQ Calibration Short ...................................................................................................................................
72
AUTO REFRESH Protocol ............................................................................................................................
Mirror Function ...................................................................................................................................................
Disabling the JTAG Feature .........................................................................................................................
Test Access Port (TAP) ..................................................................................................................................
TAP Controller ...............................................................................................................................................
Performing a TAP RESET ..............................................................................................................................
TAP Registers ..................................................................................................................................................
TAP Instruction Set ........................................................................................................................................
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