SSMM

High reliability, high-speed solid-state mass memory for low Earth orbit spacecraft

SSMM Technical Specifications

Operating Temperature

-10 °C to +50 °C

Form Factor

EuroCard 3U

Dimensions

160 x 107 x 29 mm

Mass

0.35 kg

Design Life

Up to 8 years LEO

Supply Voltage

+5 V regulated

Power Consumption

6 W nominal

Latch-Up Detection Circuitry

All internal power supplies

Health Monitoring

Internal voltages & currents
Internal temperatures

In-Flight Reprogrammable

Yes, 2 Boot areas

Functionality Highlights

Interfaces

TMTC Interfaces

Dual Redundant CAN
1x RS-485
2x RS-422

PPS

2x Differential

High-Speed Data Input

4x GTx up to 4 Gbps

High-Speed Data Output (Primary)

2x GTx up to 2 Gbps
LVDS input for flow control

High-Speed Data Output (Secondary)

6x LVDS up to 100 Mbps

Inter-SSMM Input

1x GTx up to 4 Gbps

Inter-SSMM Output

1x GTx up to 4 Gbps

Analog Inputs

5 × 0-3.3 V

Debugging

Gigabit Ethernet

Memory Specifications

Capacity

512 GB

Maximum Read Speed

26 Gbps

Maximum Write Speed

26 Gbps

ECC

Reed-Solomon (128, 120)

Built-In Functions

Bad block management
Memory testing
Individual image/ full erase
Image table management
Image compression (ZIP, JPEG 2000)
Image thumbnail generation
Image histogram generation