Cypress CY7C1386DV25 manual TAP AC Switching Characteristics, TAP AC Test Conditions, Hold Times

CY7C1386DV25, CY7C1386FV25

CY7C1387DV25, CY7C1387FV25

TAP AC Switching Characteristics

Over the Operating Range [11, 12]

Parameter	Description	Min.	Max.	Unit
Clock
tTCYC	TCK Clock Cycle Time	50		ns
tTF	TCK Clock Frequency		20	MHz
tTH	TCK Clock HIGH time	20		ns
tTL	TCK Clock LOW time	20		ns
Output Times
tTDOV	TCK Clock LOW to TDO Valid		10	ns
tTDOX	TCK Clock LOW to TDO Invalid	0		ns
Setup Times
tTMSS	TMS Setup to TCK Clock Rise	5		ns
tTDIS	TDI Setup to TCK Clock Rise	5		ns
tCS	Capture Setup to TCK Rise	5		ns
Hold Times
tTMSH	TMS Hold after TCK Clock Rise	5		ns
tTDIH	TDI Hold after Clock Rise	5		ns
tCH	Capture Hold after Clock Rise	5		ns

TAP AC Test Conditions

Input pulse levels	VSS 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

TAP AC Output Load Equivalent

1.25V

50Ω

TDO

ZO= 50 Ω 20pF

TAP DC Electrical Characteristics And Operating Conditions (0°C < TA < +70°C; VDD = 2.5V ±0.165V unless otherwise noted) [13]

Parameter	Description	Test Conditions	Min.	Max.	Unit
VOH1	Output HIGH Voltage	IOH = –1.0 mA	1.7		V
VOH2	Output HIGH Voltage	IOH = –100 µA	2.1		V
VOL1	Output LOW Voltage	IOL = 1.0 mA		0.4	V
VOL2	Output LOW Voltage	IOL = 100 µA		0.2	V
VIH	Input HIGH Voltage		1.7	VDD + 0.3	V
VIL	Input LOW Voltage		–0.3	0.7	V
IX	Input Load Current	GND < VIN < VDDQ	–5	5	µA

Note

11.tCS and tCH refer to the setup and hold time requirements of latching data from the boundary scan register.

12.Test conditions are specified using the load in TAP AC test conditions. tR/tF = 1ns.

13.All voltages referenced to VSS (GND).

Document Number: 38-05548 Rev. *E Page 14 of 30

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