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Tap controller block diagram, Tap electrical characteristics – Cypress CY7C1410JV18 User Manual

Page 15

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CY7C1410JV18, CY7C1425JV18
CY7C1412JV18, CY7C1414JV18

Document #: 001-12561 Rev. *D

Page 15 of 26

TAP Controller Block Diagram

TAP Electrical Characteristics

Over the Operating Range

[10, 11, 12]

Parameter

Description

Test Conditions

Min

Max

Unit

V

OH1

Output HIGH Voltage

I

OH

=

−2.0 mA

1.4

V

V

OH2

Output HIGH Voltage

I

OH

=

−100 μA

1.6

V

V

OL1

Output LOW Voltage

I

OL

= 2.0 mA

0.4

V

V

OL2

Output LOW Voltage

I

OL

= 100

μA

0.2

V

V

IH

Input HIGH Voltage

0.65V

DD

V

DD

+ 0.3

V

V

IL

Input LOW Voltage

–0.3

0.35V

DD

V

I

X

Input and Output Load Current

GND

≤ V

I

≤ V

DD

–5

5

μA

0

0

1

2

.

.

29

30

31

Boundary Scan Register

Identification Register

0

1

2

.

.

.

.

108

0

1

2

Instruction Register

Bypass Register

Selection

Circuitry

Selection

Circuitry

TAP Controller

TDI

TDO

TCK

TMS

Notes

10. These characteristics pertain to the TAP inputs (TMS, TCK, TDI and TDO). Parallel load levels are specified in the

Electrical Characteristics

table.

11. Overshoot: V

IH

(AC) < V

DDQ

+ 0.85V (Pulse width less than t

CYC

/2), Undershoot: V

IL

(AC) >

1.5V (Pulse width less than t

CYC

/2).

12. All Voltage referenced to Ground.

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