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AM2431BSDGHIALVR. Datasheet(PDF) 152 Page - Texas Instruments

Part # AM2431BSDGHIALVR.
Description  AM243x Sitara™ Microcontrollers
PDF  282 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

AM2431BSDGHIALVR. Datasheet(HTML) 152 Page - Texas Instruments

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6.11.5.2 DDRSS
For more details about features and additional description information on the device (LP)DDR4 Memory
Interface, see the corresponding subsections within Signal Descriptions and Detailed Description sections.
Table 6-40 and Figure 6-28 present switching characteristics for DDRSS.
Table 6-40. DDRSS Switching Characteristics
see Figure 6-28
NO.
PARAMETER
DDR TYPE
MIN
MAX
UNIT
1
tc(DDR_CKP/
DDR_CKN)
Cycle time, DDR_CKP and DDR_CKN
LPDDR4
1.25(1)
20
ns
DDR4
1.25(1)
1.6
ns
(1)
Minimum DDR clock Cycle time will be limited based on the specific memory type (vendor) used in a system and by PCB
implementation. Refer to AM64x\AM243x DDR Board Design and Layout Guidelines for the proper PCB implementation to achieve
maximum DDR frequency.
DDR0_CKP
1
DDR0_CKN
Figure 6-28. DDRSS Switching Characteristics
For more information, see DDR Subsystem (DDRSS) section in Memory Controllers chapter in the device TRM.
AM2434, AM2432, AM2431
SPRSP65J – APRIL 2021 – REVISED JUNE 2026
www.ti.com
152
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Product Folder Links: AM2434 AM2432 AM2431



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