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AM625 Datasheet(PDF) 138 Page - Texas Instruments

Part # AM625
Description  AM62x Sitara™ Processors
PDF  276 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

AM625 Datasheet(HTML) 138 Page - Texas Instruments

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6.12.5.4 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 6-43 and Figure 6-34 present switching characteristics for DDRSS.
Table 6-43. DDRSS Switching Characteristics
see Figure 6-34
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 DDR Board Design and Layout Guidelines for the proper PCB implementation to achieve maximum DDR
frequency.
DDR0_CKP
1
DDR0_CKN
Figure 6-34. DDRSS Switching Characteristics
For more information, see DDR Subsystem (DDRSS) section in Memory Controllers chapter in the device TRM.
AM625, AM625-Q1, AM623, AM620-Q1
SPRSP58C – JUNE 2022 – REVISED OCTOBER 2025
www.ti.com
138
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Product Folder Links: AM625 AM625-Q1 AM623 AM620-Q1



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