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READING VECTOR FILES

Types of Vector Data – by Format

TABULAR_FORMAT
Characterized by vector lines containing time stamp and ordered state information for all pins.  Each pin gets assigned states according to a fixed position in the Vector line.  Absolute time increases with each vector .  Examples are:
1221 > 55,1,1,0,5f,73,0,0

or

10322  10011101000011110010

or

400.2 ns  0 1 0 000 ZZ F32 111

SCRIPT_FORMAT
Characterized by time stamps and individual pin state assignments.  Pin state assignments use pin name and only occur when there is a state transition on the pin.  Absolute time increases with each time stamp.  VCD is an example of this format.  Examples are:
FORCe pin1 1S 255 –A
or
S 8 1010
T 200.0
Or (VCD)
#200014
1XA

b1001zzz   XB

WAVE_FORMAT
Characterized by grouping of all time stamps and corresponding state information by individual pins.  All state/time information is given for the first pin, then all for the second, etc.  An example is:
Wfm pin1 @0ns=0 @12ns=1 @124ns=0 @399=Z

Wfm pin2 @0ns=1 @17ns=0 @427ns=1

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