TPMC917-SW-82 Datasheet PDF - TEWS Technologies GmbH

Application Information
   The TPMC917 is a standard single-width 32bit PMC module providing 4MByte of SRAM with battery backup by an on board lithium cell and four ESD protected RS232 channels (TPMC917-10R only).
   The 4MByte of NV-SRAM are organized in two banks, each providing 512K x 32bit of memory. During normal operation (standard 5V supply applied to the SRAM) the capacity of the lithium cell is monitored every 24 hours by a battery monitor device and an interrupt can be generated if the battery voltage is too low.
   The monitor device switches the power supply of the SRAM from the standard 5V to the battery if the 5V supply drops below the battery monitor device threshold level. Any active access to the SRAM at this point is executed correctly within 1.5µs. After this time any further accesses to the SRAM are not possible.

Technical Information
○ Form Factor: Standard single-width 32 bit PMC
   module conforming to IEEE P1386.1
   ○ Board size: 149mm x 74mm
○ PCI 2.1 compliant interface
○ 3.3V and 5V PCI Signaling Voltage
○ 4MByte of NV-SRAM (TPMC917-10R/-20R) or
   2MByte of NV-SRAM (TPMC917-21R)
   with battery backup by an on board lithium cell
   ○ Battery capacity is monitored every 24 hours
   ○ Interrupt can be generated to control battery
      voltage
○ 4 channel asynchronous serial RS232 interface, ESD
   protected (TPMC917-10R only):
   ○ 64Byte transmit FIFO per channel, 64Byte
      receive FIFO per channel
   ○ Programmable baud rates up to 115.2Kbaud
○ Operating temperature 0°C to +70°C
○ MTBF (MIL-HDBK217F/FN2 GB 20°C)
   TPMC917-10R: 346000 h
   TPMC917-20R: 380000 h
   TPMC917-21R: 560000 h