Cypress CY7C1306BV25 manual TAP Timing and Test Conditions12, Identification Register Definitions

CY7C1303BV25

CY7C1306BV25

TAP AC Switching Characteristics Over the Operating Range[11, 12] (continued)

Parameter				Description					Min.	Max.	Unit
Output Times
tTDOV		TCK Clock LOW to TDO Valid								20	ns
tTDOX		TCK Clock LOW to TDO Invalid							0		ns
TAP Timing and Test Conditions[12]
			1.25V
				50Ω			ALL INPUT PULSES
TDO
						2.5V
	Z0 = 50Ω
				CL = 20 pF	0V			1.25V

(a)GND

tTH

tTL

Test Clock

TCK

Test Mode Select

TMS

Test Data-In

TDI

tTCYC tTMSS

tTMSH

tTDIS

tTDIH

Test Data-Out

TDO

tTDOX

tTDOV

Identification Register Definitions

	Value
Instruction Field	CY7C1303BV25	CY7C1306BV25	Description
Revision Number (31:29)	000	000	Version number.
Cypress Device ID (28:12)	01011010010010101	01011010010100101	Defines the type of SRAM.
Cypress JEDEC ID (11:1)	00000110100	00000110100	Allows unique identification of SRAM vendor.
ID Register Presence (0)	1	1	Indicate the presence of an ID register.

Document #: 38-05627 Rev. *A Page 12 of 19

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