5. Command and address inputs are terminated to V
DD
/2 in the registering clock driver. In-
put current is dependent on terminating resistance selected in registering clock driver.
6. Tied to ground. Not connected to edge connector.
7. Multiply by number of DRAM die on module.
Table 10: Thermal Characteristics
Symbol Parameter/Condition Value Units Notes
T
C
Commercial operating case temperature 0 to 85 °C 1, 2, 3
>85 to 95 °C 1, 2, 3, 4
T
OPER
Normal operating temperature range 0 to +85 °C 5, 6
Extended temperature operating range (optional) >85 to 95 °C 5, 6
Notes:
1. Maximum operating case temperature. T
C
is measured in the center of the DRAM pack-
age.
2. A thermal solution must be designed to ensure the DRAM device does not exceed the
maximum T
C
during operation.
3. Device functionality is not guaranteed if the DRAM device exceeds the maximum T
C
dur-
ing operation.
4. If T
C
exceeds 85°C, the DRAM device must be refreshed externally at 2X refresh (a 3.9µs
interval refresh rate).
5. The refresh rate must double when 85°C < T
OPER
≤ 95°C.
6. For additional information, refer to technical note TN-00-08: "Thermal Applications,"
available on micron.com.
Table 11: LED Activity Table
LED State Function
D1 Green
Power
ON Power is present at NV controller.
OFF Power is not present at NV controller.
D2 Blue
Save/Restore
Fast blink
(On for 100 ms/
Off for 200 ms)
When a SAVE_n or a RESTORE operation is in progress.
Slow Blink
(every 15 seconds)
Normal operation: Controller fabric and FW has been loaded. NVDIMM is op-
erational from host perspective.
D3 Amber
User Defined
ON/OFF The state of this LED is user configurable. The host may write 0x01 to the LED
register (0x10) to turn the amber LED ON, and 0x00 to turn the amber LED
off. Reading this register returns the state of the output register, not the buf-
fered LED driver output.
Any Any Undefined NVDIMM hardware or firmware failure
Table 12: PowerGEM Proprietary Interface Connector (J3)
Pin Signal Name Signal Type Description
1 PGM_SCL Output SMB clock for PGEM slave unit.
2 PGM_SDA I/O SMB data for PGEM slave unit.
8GB (x72, ECC, SR) 288-Pin DDR4 Nonvolatile RDIMM
Electrical Specifications
PDF: 09005aef85c5dc9c
asf18c1gx72pf1z.pdf - Rev. C 03/16 EN
18
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