Cypress CY7C1486V25 manual 5V TAP AC Test Conditions, 8V TAP AC Test Conditions, GND ≤ VI ≤ Vddq

CY7C1480V25

CY7C1482V25

CY7C1486V25

2.5V 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

1.8V TAP AC Test Conditions

Input pulse levels	0.2V to VDDQ – 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 Output Load Equivalent

1.8V TAP AC Output Load Equivalent

1.25V

0.9V

50Ω

50Ω

TDO

TDO

ZO= 50Ω

20pF

ZO= 50Ω

20pF

TAP DC Electrical Characteristics And Operating Conditions

(0°C < T < +70°C; V

DD

= 2.5V ±0.125V unless otherwise noted)[11]

A

Parameter

Description

Test Conditions

Min

Max

Unit

VOH1

Output HIGH Voltage

IOH = –1.0 mA

VDDQ = 2.5V

1.7

V

VOH2

Output HIGH Voltage

IOH = –100 ∝A

VDDQ = 2.5V

2.1

V

VDDQ = 1.8V

1.6

V

VOL1

Output LOW Voltage

IOL = 1.0 mA

VDDQ = 2.5V

0.4

V

VOL2

Output LOW Voltage

IOL = 100 ∝A

VDDQ = 2.5V

0.2

V

VDDQ = 1.8V

0.2

V

VIH

Input HIGH Voltage

VDDQ = 2.5V

1.7

VDD + 0.3

V

VDDQ = 1.8V

1.26

VDD + 0.3

V

VIL

Input LOW Voltage

VDDQ = 2.5V

–0.3

0.7

V

VDDQ = 1.8V

–0.3

0.36

V

IX

Input Load Current

GND ≤ VI ≤ VDDQ

–5

5

∝A

Identification Register Definitions

Instruction Field

CY7C1480V25

CY7C1482V25

CY7C1486V25

Description

(2M x36)

(4M x 18)

(1M x72)

Revision Number (31:29)

000

000

000

Describes the version number

Device Depth (28:24)

01011

01011

01011

Reserved for internal use

Architecture/Memory

000000

000000

000000

Defines memory type and

Type(23:18)

architecture

Bus Width/Density(17:12)

100100

010100

110100

Defines width and density

Cypress JEDEC ID Code

00000110100

00000110100

00000110100

Enables unique identification

(11:1)

of SRAM vendor

ID Register Presence

1

1

1

Indicates the presence of an

Indicator (0)

ID register

Note

11. All voltages referenced to VSS (GND).

Document #: 38-05282 Rev. *H

Page 15 of 32

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