Cypress NoBL CY7C1471V25 User Manual download pdf (Page 17)

CY7C1471V25

CY7C1473V25

CY7C1475V25

Document #: 38-05287 Rev. *I Page 17 of 32

1.8V TAP AC Test Conditions

Input pulse levels .....................................0.2V to V

DDQ

– 0.2

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

Input timing reference levels ...........................................0.9V

Output reference levels...................................................0.9V

Test load termination supply voltage...............................0.9V

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

1.8V TAP AC Output Load Equivalent

TDO

0.9V

20pF

Z = 50Ω

50Ω

2.5V TAP AC Output Load Equivalent

TDO

1.25V

20pF

Z = 50Ω

50Ω

TAP DC Electrical Characteristics And Operating Conditions

(0°C < T

< +70°C; V

= 2.375 to 2.625 unless otherwise noted)

[12]

Parameter Description Test Conditions Min. Max. Unit

OH1

Output HIGH Voltage I

= –1.0 mA, V

DDQ

= 2.5V 2.0 V

OH2

Output HIGH Voltage I

= –100 µA V

DDQ

= 2.5V 2.1 V

DDQ

= 1.8V 1.6 V

OL1

Output LOW Voltage I

= 1.0 mA V

DDQ

= 2.5V 0.4 V

OL2

Output LOW Voltage I

= 100 µA V

DDQ

= 2.5V 0.2 V

DDQ

= 1.8V 0.2 V

Input HIGH Voltage V

DDQ

= 2.5V 1.7 V

+ 0.3 V

DDQ

= 1.8V 1.26 V

+ 0.3 V

Input LOW Voltage V

DDQ

= 2.5V –0.3 0.7 V

DDQ

= 1.8V –0.3 0.36 V

Input Load Current GND < V

< V

DDQ

–5 5 µA

Identification Register Definitions

Instruction Field

CY7C1471V25

(2MX36)

CY7C1473V25

(4MX18)

CY7C1475V25

(1MX72)

Description

Revision Number (31:29) 000 000 000 Describes the version number

Device Depth (28:24) 01011 01011 01011 Reserved for internal use

Architecture/Memory Type(23:18) 001001 001001 001001 Defines memory type and architecture

Bus Width/Density(17:12) 100100 010100 110100 Defines width and density

Cypress JEDEC ID Code (11:1) 00000110100 00000110100 00000110100 Allows unique identification of SRAM

vendor

ID Register Presence Indicator (0) 1 1 1 Indicates the presence of an ID

Note

12. All voltages refer to V

(GND).

[+] Feedback

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 31 32

Comments to this Manuals

No comments

Cypress NoBL CY7C1471V25 User Manual Page 17

Comments to this Manuals

Related products and manuals for Unknown Cypress NoBL CY7C1471V25