beautypg.com

3v tap ac test conditions – Cypress CY7C1360C User Manual

Page 14

background image

CY7C1360C
CY7C1362C

Document #: 38-05540 Rev. *H

Page 14 of 31

3.3V TAP AC Test Conditions

Input pulse levels ................................................ V

SS

to 3.3V

Input rise and fall times ................................................... 1 ns

Input timing reference levels ...........................................1.5V

Output reference levels...................................................1.5V

Test load termination supply voltage ...............................1.5V

3.3V TAP AC Output Load Equivalent

2.5V TAP AC Test Conditions

Input pulse levels................................................. V

SS

to 2.5V

Input rise and fall time .....................................................1 ns

Input timing reference levels......................................... 1.25V

Output reference levels ................................................ 1.25V

Test load termination supply voltage ............................ 1.25V

2.5V TAP AC Output Load Equivalent

TAP AC Switching Characteristics

Over the Operating Range

[10, 11]

Parameter

Description

Min.

Max.

Unit

Clock

t

TCYC

TCK Clock Cycle Time

50

ns

t

TF

TCK Clock Frequency

20

MHz

t

TH

TCK Clock HIGH time

20

ns

t

TL

TCK Clock LOW time

20

ns

Output Times

t

TDOV

TCK Clock LOW to TDO Valid

10

ns

t

TDOX

TCK Clock LOW to TDO Invalid

0

ns

Set-up Times

t

TMSS

TMS Set-up to TCK Clock Rise

5

ns

t

TDIS

TDI Set-up to TCK Clock Rise

5

ns

t

CS

Capture Set-up to TCK Rise

5

ns

Hold Times

t

TMSH

TMS Hold after TCK Clock Rise

5

ns

t

TDIH

TDI Hold after Clock Rise

5

ns

t

CH

Capture Hold after Clock Rise

5

ns

TDO

1.5V

20pF

Z = 50

O

50

TDO

1.25V

20pF

Z = 50

O

50

TAP DC Electrical Characteristics And Operating Conditions

(0°C < T

A

< +70°C; V

DD

= 3.3V ±0.165V unless otherwise noted)

[12]

Parameter

Description

Conditions

Min.

Max.

Unit

V

OH1

Output HIGH Voltage

I

OH

= –4.0 mA

V

DDQ

= 3.3V

2.4

V

I

OH

= –1.0 mA

V

DDQ

= 2.5V

2.0

V

V

OH2

Output HIGH Voltage

I

OH

= –100 µA

V

DDQ

= 3.3V

2.9

V

V

DDQ

= 2.5V

2.1

V

V

OL1

Output LOW Voltage

I

OL

= 8.0 mA

V

DDQ

= 3.3V

0.4

V

I

OL

= 8.0 mA

V

DDQ

= 2.5V

0.4

V

Notes:

10. t

CS

and t

CH

refer to the set-up and hold time requirements of latching data from the boundary scan register.

11. Test conditions are specified using the load in TAP AC test Conditions. t

R

/t

F

= 1 ns.

12. All voltages referenced to V

SS

(GND).

[+] Feedback

This manual is related to the following products: