CAEN
Electronic Instrumentation
UM5175
–
V2495/VX2495 User Manual rev. 1
19
6
Technical Specifications
V2495/VX2495 Motherboard
FORM FACTOR
1-unit wide, 6U high VME64 (V2495) and VME64X (VX2495)
I/O SECTIONS A and B
Nr. of Channels
32
Direction
Input
Logic
Direct
Signal
Differential LVDS/ECL/PECL
(single ended TTL optional)
Z
diff
: 100
Ω
Extended Common Mode
Input range: -4V to +5V
Fail Safe input feature
Bandwidth
200 MHz
Front Panel Connector
Robinson Nugent P50E-068-P1-SR1-TG
type, (34+34) pins
I/O SECTION C
Nr. of Channels
32 channels
Direction
Output
Logic
Direct
Signal
Differential LVDS
Require 100
Ω
termination
Bandwidth
250 MHz
Front Panel Connector
Robinson Nugent P50E-068-P1-SR1-TG
type, (34+34) pins
I/O SECTION G
Nr. of Channels
2
Direction
I/O selectable
Logic
TTL IN = Direct
TTL OUT = Direct
NIM IN = Invert
NIM OUT = Direct
Signal
Single ended NIM/TTL
selectable
Open/50
Ω
termination
selectable
Bandwidth
250 MHz
Front Panel Connector
LEMO 00
GATE and DELAY
GENERATOR
Minimum Delay/Gate
Min.
Typ.
Max.
9.6 ns
10.7 ns
11.8 ns
Maximum Delay/Gate
631 µs
701.2 µs
771.5 µs
Maximum channel-to-channel spread:
20%
COMMUNICATION
INTERFACE
VME
VME64X compliant
Addressing space: A24, A32
Data Transfer mode: D16, D32, BLT32
USB
USB 2.0 compliant
Geographical addressing (VX2495)
Multicast commands
POWER REQUIREMENTS
1.0A (max.) @ +5V
+12V and -12V rails are not used
Tab. 6.1: V2495/VX2495 specifications table
A395A Mezzanine Board
I/O SECTION
Nr. Of Channels
32
Direction
Input
Logic
Direct
Signal
Differential LVDS/ECL/PECL
(single ended TTL optional)
Z
diff
: 100
Ω
Extended Common Mode
input range: -4V to +5V
Fail Safe input feature
Bandwidth
200 MHz
Front Panel Connector
Robinson Nugent P50E-068-P1-SR1-TG
type, (34+34) pins
POWER CONSUMPTIONS
0.1 A (max) @ +5V
+12V and -12V rails are not used
Tab. 6.2: A395A Mezzanine specifications table