Cypress Semiconductor CY7C1383D Uživatelský manuál stáhnout pdf (Strana 13)

CY7C1381D

CY7C1383D

Document #: 38-05544 Rev. *C Page 13 of 29

3.3V TAP AC Test Conditions

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

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

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

Notes:

9. t

and t

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

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

= 1ns

TAP AC Switching Characteristics Over the operating Range

[9, 10]

Parameter Description Min. Max. Unit

Clock

TCYC

TCK Clock Cycle Time 50 ns

TCK Clock Frequency 20 MHz

TCK Clock HIGH time 25 ns

TCK Clock LOW time 25 ns

Output Times

TDOV

TCK Clock LOW to TDO Valid 5 ns

TDOX

TCK Clock LOW to TDO Invalid 0 ns

Set-up Times

TMSS

TMS Set-up to TCK Clock Rise 5 ns

TDIS

TDI Set-up to TCK Clock Rise 5 ns

Capture Set-up to TCK Rise 5 ns

Hold Times

TMSH

TMS Hold after TCK Clock Rise 5 ns

TDIH

TDI Hold after Clock Rise 5 ns

Capture Hold after Clock Rise 5 ns

1.5V

20p

Z = 50W

50W

1.25V

20p

Z = 50W

50W

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 28 29

Komentáře k této Příručce

Žádné komentáře

Cypress Semiconductor CY7C1383D Uživatelský manuál Strana 13

Komentáře k této Příručce

Související produkty a manuály pro ne Cypress Semiconductor CY7C1383D