ZCU104 Board User Guide 24
UG1267 (v1.1) October 9, 2018 www.xilinx.com
Chapter 3: Board Component Descriptions
PS-Side: DDR4 Component Memory
[Figure 2-1, callout 2]
The PS-side memory is wired to the XCZU7EV DDRC bank 504 hard memory controller. 
PS-side memory is a 2 GB, 64-bit wide DDR4 memory system comprised of four 
256 Mb x 16 SDRAMs, U2, and 99-101.
• Manufacturer: Micron
• Part number: MT40A256M16GE-083E
•Description:
°
4 Gb (256 Mb x 16)
°
1.2V 96-ball FBGA
°
DDR4-2400
The ZCU104 XCZU7EV FFVC MPSoC PS DDR interface performance is documented in the 
Zynq UltraScale+ MPSoC Data Sheet: DC and AC Switching Characteristics (DS925) [Ref 3]. 
The DDR4 0.6V VTT termination voltage is supplied from sink-source regulator U178. The 
connections between the DDR4 memory and the U1 XCZU7EV bank 504 are listed in 
Table 3-3.
Table 3-3: DDR4 Component Memory Connection to XCZU7EV PS Bank 504
XCZU7EV (U1) 
Pin
Net Name
DDR4 Component Memory
Pin # Pin Name Ref. Des.
AN34 DDR4_A0  P3  A0 U2,U99-U101
AM34 DDR4_A1  P7  A1 U2,U99-U101
AM33 DDR4_A2  R3  A2 U2,U99-U101
AL34 DDR4_A3  N7  A3 U2,U99-U101
AL33 DDR4_A4  N3  A4 U2,U99-U101
AK33 DDR4_A5  P8  A5 U2,U99-U101
AK30 DDR4_A6  P2  A6 U2,U99-U101
AJ30 DDR4_A7  R8  A7 U2,U99-U101
AJ31 DDR4_A8  R2  A8 U2,U99-U101
AH31 DDR4_A9  R7  A9 U2,U99-U101
AG31 DDR4_A10  M3  A10/AP U2,U99-U101
AF31 DDR4_A11  T2  A11 U2,U99-U101
AG30 DDR4_A12  M7  A12/BC_B U2,U99-U101
AF30 DDR4_A13  T8  A13 U2,U99-U101
AE27 DDR4_BA0  N2  BA0 U2,U99-U101