Timing Module Specifications

The following are specifications for the GX5105 Timing Module:

Parameter

Min

Typical

Max

Units

Internal Test Clock

Freq. Range

5

 

50M

Hz

Resolution

The greater of 1 Hz or 0.2%.

Internal B Clock

Freq. Range

1

 

120

MHz

Resolution

The greater of 1 HZ or 0.2%.

External Clock with Internal Strobe

Freq. Range

0

 

50

MHz

Pulse width

8

 

 

ns

XCLK to OCLK delay

60

 

70

ns

XCLK to OSTB delay  *

50

 

60

ns

Data setup time to XCLK **

12

 

 

ns

Data hold time to XCLK

5

 

 

ns

External Clock with External Strobe

Freq. Range

External Clock

0

 

50

MHz

External Strobe

0

 

50

MHz

Pulse width

External Clock

8

 

 

ns

External Strobe

8

 

 

ns

XCLK to OCLK delay

50

 

60

ns

XSTB to OSTB delay

50

 

60

ns

Data setup time to XSTB **

12

 

 

ns

Data hold time to OSTB

5

 

 

ns

External Control Inputs

Input Level High

2.0

 

5.1

V

Input Level Low

-0.1

 

0.8

V

Input Current High

 

 

10

mA

Input Current Low

 

 

10

mA

External Control Outputs

Type

74FCT162245T

Output Level High

2.4

 

2.4

V

Output Level Low

 

0.35

0.6

V

Output Current High

 

 

20

mA

Output Current Low

 

 

20

mA

* Timing depends on the strobe delay setting and typically is XCLK to OCLK timing minus strobe delay setting.

** Setup time depends on the selected memory and is given for a typical configuration.

Timing connector Specifications