Cypress CY7C1356C, CY7C1354C manual 3V TAP AC Test Conditions, 5V TAP AC Test Conditions

CY7C1354C

CY7C1356C

3.3V TAP AC Test Conditions

Input pulse levels	VSS to 3.3V
Input rise and fall times	1 ns
Input timing reference levels	1.5V
Output reference levels	1.5V
Test load termination supply voltage	1.5V

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

3.3V TAP AC Output Load Equivalent

2.5V TAP AC Output Load Equivalent

1.5V

1.25V

50Ω

50Ω

TDO

TDO

ZO= 50Ω

20pF

ZO= 50Ω

20pF

TAP DC Electrical Characteristics And Operating Conditions

(0°C < TA < +70°C; V = 3.3V ±0.165V unless otherwise noted)[12]

DD

Parameter

Description

Test Conditions

Min.

Max.

Unit

VOH1

Output HIGH Voltage

IOH = –4.0 mA, VDDQ = 3.3V

2.4

V

IOH = –1.0 mA, VDDQ = 2.5V

2.0

V

VOH2

Output HIGH Voltage

IOH = –100 µA

VDDQ = 3.3V

2.9

V

VDDQ = 2.5V

2.1

V

VOL1

Output LOW Voltage

IOL = 8.0 mA

VDDQ = 3.3V

0.4

V

VDDQ = 2.5V

0.4

V

VOL2

Output LOW Voltage

IOL = 100 µA

VDDQ = 3.3V

0.2

V

VDDQ = 2.5V

0.2

V

VIH

Input HIGH Voltage

VDDQ = 3.3V

2.0

VDD + 0.3

V

VDDQ = 2.5V

1.7

VDD + 0.3

V

VIL

Input LOW Voltage

VDDQ = 3.3V

–0.3

0.8

V

VDDQ = 2.5V

–0.3

0.7

V

IX

Input Load Current

GND < VIN < VDDQ

–5

5

µA

Identification Register Definitions

Instruction Field	CY7C1354C	CY7C1356C	Description
Revision Number (31:29)	000	000	Reserved for version number.
Cypress Device ID (28:12)[13]	01011001000100110	01011001000010110	Reserved for future use.
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.

Notes:

12.All voltages referenced to VSS (GND).

13.Bit #24 is “1” in the Register Definitions for both 2.5V and 3.3V versions of this device.

Document #: 38-05538 Rev. *G Page 13 of 28

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