SM3E-19.44M

SM3E

The SM3E timing module provides a clock output that meets or exceeds Stratum 3E specifications given in GR-1244-CORE (Issue 2), GR-253-CORE (Issue 3) and ITU-T G.812 (option 3). The SM3E features eight reference inputs. Each input will autodetect the followi...

SM390C

SM390B

SM390A

SM3905

The SM3905 is a CMOS 4-bit single-chip micro-computer incorporating 4-bit parallel processing function,carrier output circuit for remote control, ROM, RAM, I/O ports, serial interface,and timer/counter. Features of the SM3905 are:(1)ROM capacity:4096*8bits;...

SM3903

The SM3903 is a CMOS 4-bit single-chip micro-computer incorporating 4-bit parallel processing function,carrier output circuit, ROM, RAM, 15-stage divider. Features of the SM3903 are:(1)ROM capacity:2772*8bits;(2)RAM capacity:128*4bits;(3)instruction sets:49...