Timing Module Specifications

Parameter
GT25 – Timing
GT50 - Timing
Units
Min
Type
Max
Min
Type
Max
Internal Test Clock
Freq. Range
1000
 
25M
1000
 
50M
Hz
Resolution
The greater of 1 Hz or 0.2%.
 
Internal B Clock
Freq. Range
400K
 
100M
400K
 
100M
Hz
Resolution
The greater of 1 HZ or 0.2%.
External Clock with Internal Strobe
Freq. Range
0
 
25M
0
 
50M
Hz
Pulse width
15
 
 
10
 
 
nS
XCLK to OCLK delay
42
50
59
42
50
59
nS
XCLK to OSTB delay  *
22
 
54
22
 
54
nS
Data setup time to OSTB **
8
 
 
6
 
54
nS
Data hold time to OSTB
3
 
 
3
 
 
nS
External Clock with External Strobe
Freq. Range
External Clock
0
 
25
0
 
33
MHz
External Strobe
0
 
25
0
 
33
Mhz

Pulse width

External Clock
15
 
 
10
 
 
nS
External Stobe
15
 
 
10
 
 
nS
XCLK to OCLK delay
13
17
22
13
17
22
nS
XCLK to OSTB delay
13
17
22
13
17
22
nS
Data setup time to OSTB **
8
 
 
6
 
 
 
Data hold time to OSTB
3
 
 
3
 
 
 

External Control Inputs

Input Level High
2.0
 
5.1
2.0
 
5.1

V

Input Level Low
-0.1
 
0.8
-0.1
 
0.8

V

Input Current High
 
 
48
 
 
48

mA

Input Current Low
 
 
48
 
 
48

mA

External Control Outputs

Type

74AS805

Output Level High
2.4
 
 
2.4
 
 

V

Output Level Low
 
0.35
0.5
-0.1
0.35
0.5

V

Output Current High
 
 
48
 
 
48

mA

Output Current Low
 
 
48
 
 
48

mA

Physical

Size

6,25”x4.2”

 

Weight

100

g

Supply Current @ 5VDC
 
200
400
 
200
600

mA

Supply Current @ 12VDC

 
25
35
 
25
50

mA