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What is IS43TR16256AL?

This electronic component, produced by the manufacturer "ISSI", performs the same function as "4Gb DDR3 SDRAM".


IS43TR16256AL Datasheet PDF - ISSI

Part Number IS43TR16256AL
Description 4Gb DDR3 SDRAM
Manufacturers ISSI 
Logo ISSI Logo 


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IS43/46TR16256A, IS43/46TR16256AL,
IS43/46TR85120A, IS43/46TR85120AL
512Mx8, 256Mx16 4Gb DDR3 SDRAM
FEATURES
Standard Voltage: VDD and VDDQ = 1.5V ± 0.075V
Low Voltage (L): VDD and VDDQ = 1.35V + 0.1V, -0.067V
- Backward compatible to 1.5V
High speed data transfer rates with system
frequency up to 1066 MHz
8 internal banks for concurrent operation
8n-Bit pre-fetch architecture
Programmable CAS Latency
Programmable Additive Latency: 0, CL-1,CL-2
Programmable CAS WRITE latency (CWL) based
on tCK
Programmable Burst Length: 4 and 8
Programmable Burst Sequence: Sequential or
Interleave
BL switch on the fly
Auto Self Refresh(ASR)
Self Refresh Temperature(SRT)
SEPTEMBER 2016
Refresh Interval:
7.8 us (8192 cycles/64 ms) Tc= -40°C to 85°C
3.9 us (8192 cycles/32 ms) Tc= 85°C to 105°C
Partial Array Self Refresh
Asynchronous RESET pin
TDQS (Termination Data Strobe) supported (x8
only)
OCD (Off-Chip Driver Impedance Adjustment)
Dynamic ODT (On-Die Termination)
Driver strength : RZQ/7, RZQ/6 (RZQ = 240 Ω)
Write Leveling
Up to 200 MHz in DLL off mode
Operating temperature:
Commercial (TC = 0°C to +95°C)
Industrial (TC = -40°C to +95°C)
Automotive, A1 (TC = -40°C to +95°C)
Automotive, A2 (TC = -40°C to +105°C)
OPTIONS
Configuration:
512Mx8
256Mx16
Package:
96-ball BGA (9mm x 13mm) for x16
78-ball BGA (9mm x 10.5mm) for x8
ADDRESS TABLE
Parameter
Row Addressing
Column Addressing
Bank Addressing
Page size
Auto Precharge
Addressing
BL switch on the fly
512Mx8
A0-A15
A0-A9
BA0-2
1KB
A10/AP
A12/BC#
256Mx16
A0-A14
A0-A9
BA0-2
2KB
A10/AP
A12/BC#
SPEED BIN
Speed Option
15H
125K
107M
JEDEC Speed Grade DDR3-1333H DDR3-1600K DDR3-1866M
CL-nRCD-nRP
9-9-9
11-11-11
13-13-13
tRCD,tRP(min)
13.5
13.75
13.91
Note:Faster speed options are backward compatible to slower speed options.
093N
DDR3-2133N
14-14-14
13.09
Units
tCK
ns
Copyright © 2016 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time
without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised
to obtain the latest version of this device specification before relying on any published information and before placing orders for products.
Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product
can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use
in such applications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that:
a.) the risk of injury or damage has been minimized;
b.) the user assume all such risks; and
c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances
Integrated Silicon Solution, Inc. www.issi.com
Rev. G2
07/28/2016
1

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IS43TR16256AL equivalent
IS43/46TR16256A, IS43/46TR16256AL,
IS43/46TR85120A, IS43/46TR85120AL
VSSQ
Supply
DQ Ground
VDD
Supply
Power Supply: 1.5 V +/- 0.075 V for standard voltage or 1.35V +0.1V, -0.067V for low voltage
VSS
Supply
Ground
VREFDQ
Supply
Reference voltage for DQ
VREFCA
Supply
Reference voltage for CA
ZQ
Supply
Reference Pin for ZQ
Note: Input only pins (BA0-BA2, A0-A15, RAS#, CAS#, WE#, CS#, CKE, ODT, and RESET#) do not supply termination.
Integrated Silicon Solution, Inc. www.issi.com
Rev. G2
07/28/2016
5


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Part Details

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Featured Datasheets

Part NumberDescriptionMFRS
IS43TR16256AThe function is 4Gb DDR3 SDRAM. ISSIISSI
IS43TR16256ALThe function is 4Gb DDR3 SDRAM. ISSIISSI

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