Globaltech Sourcing provides spares and repair services for all GE VMIVME2528 boards.
VMIVME2528 VMIVME-2528
128-bit TTL Digital Input/Output Board
- 128 bits of TTL compatible I/O
- Individual port direction control jumpers
- 24 mA output current sink capability
- 8- or 16-bit transfers
- Double Eurocard form factor
- Nonprivileged or supervisory short I/O transfers
- Alternating grounds on I/O pins
- Real time loopback
- Positive or negative true data I/O option
FUNCTIONAL CHARACTERISTICS
Compatibility:
VMEbus specification compatible
double height form factor
I/O Connector Type:
64-pin DIN 41612
I/O Organization:
Sixteen I/O ports, eight bits wide.
Addressable to any address within short supervisory or
short nonprivileged I/O map. Individual port direction
control jumpers are provided.
Addressing Scheme:
Sixteen ports individually
addressable on 8- or 16-bit boundaries. Twelve DIP
switches provide unlimited short data I/O address map
selection.
Data Transfer Bus:
A16: D16
Powerup Initialization:
All outputs are initialized in
the tristate mode by master clear. Any write transfer to
the final port automatically releases tristate mode.
I/O Circuit:
TTL compatible
Sink – 24 mA
Source – 6.5 mA
Data Polarity:
High-true or low-true
Installation:
Any slot except A1
PHYSICAL/ENVIRONMENTAL
Temperature Range:
0 to 55 °C, operating