Cypress CY7C2565KV18 Manual De Usuario

Document Number: 001-15887 Rev. *E

Page 21 of 29

Exceeding maximum ratings may impair the useful life of the

device. These user guidelines are not tested.
Storage Temperature ................................. –65°C to +150°C
Ambient Temperature with Power Applied.. –55°C to +125°C
Supply Voltage on V

DD

 Relative to GND ........–0.5V to +2.9V

Supply Voltage on V

DDQ

 Relative to GND.......–0.5V to +V

DD

DC Applied to Outputs in High-Z  ........ –0.5V to V

DDQ 

+ 0.3V

DC Input Voltage 

.............................. –0.5V to V

DD

 + 0.3V

Current into Outputs (LOW) ........................................ 20 mA
Static Discharge Voltage (MIL-STD-883, M. 3015)..  > 2001V
Latch-up Current ...................................................  > 200 mA

Commercial

0°C to +70°C 

1.8 ± 0.1V

1.4V to 

V

DD

Industrial

–40°C to +85°C

Over the Operating Range 

V

DD

Power Supply Voltage

1.7

1.8

1.9

V

V

DDQ

IO Supply Voltage

1.4

1.5

V

DD

V

V

OH

Output HIGH Voltage

Note 20

V

DDQ

/2 – 0.12

V

DDQ

/2 + 0.12

V

V

OL

Output LOW Voltage

Note 21

V

DDQ

/2 – 0.12

V

DDQ

/2 + 0.12

V

V

OH(LOW)

Output HIGH Voltage

I

OH 

=

 −0.1 mA, Nominal Impedance

V

DDQ

 – 0.2

V

DDQ

V

V

OL(LOW)

Output LOW Voltage

I

OL

 = 0.1 mA, Nominal Impedance

V

SS

0.2

V

V

IH

Input HIGH Voltage

V

REF 

+ 0.1

V

DDQ

 

+ 0.15

V

V

IL

Input LOW Voltage

–0.15

V

REF 

– 0.1

V

I

X

Input Leakage Current 

GND 

≤ V

I

 

≤ V

DDQ

−2

2

μA

I

OZ

Output Leakage Current

GND 

≤ V

I

 

≤ V

DDQ, 

Output Disabled

−2

2

μA

V

REF

Input Reference Voltage 

Typical Value = 0.75V

0.68

0.75

0.95

V

I

DD 

V

DD

 Operating Supply

V

DD 

= Max,

I

OUT 

= 0 mA,

f = f

MAX

 = 1/t

CYC

550 MHz

(x8)

900

mA

(x9)

900

(x18)

920

(x36)

1310

500 MHz

(x8)

830

mA

(x9)

830

(x18)

850

(x36)

1210

450 MHz

(x8)

760

mA

(x9)

760

(x18)

780

(x36)

1100

400 MHz

(x8)

690

mA

(x9)

690

(x18)

710

(x36)

1000

19. Power up: Assumes a linear ramp from 0V to V

DD

(min) within 200 ms. During this time V

IH 

< V

DD 

and V

DDQ 

< V

DD

.

 

20. Output are impedance controlled. I

OH

 = 

−

(V

DDQ

/2)/(RQ/5) for values of 175 ohms <= RQ <= 350 ohms.

21. Output are impedance controlled. I

OL

 = (V

DDQ

/2)/(RQ/5) for values of 175 ohms <= RQ <= 350 ohms.

22. V

REF

 (min) = 0.68V or 0.46V

DDQ

, whichever is larger, V

REF

 (max) = 0.95V or 0.54V

DDQ

, whichever is smaller.

23. The operation current is calculated with 50% read cycle and 50% write cycle.