Electrical characteristics, Capacitance, Ac test loads and waveforms – Cypress CY7C1399B User Manual

Page 3

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CY7C1399B

Document #: 38-05071 Rev. *A

Page 3 of 10

Electrical Characteristics

Over the Operating Range (continued)

1399B-15

1399B-20

Parameter

Description

Test Conditions

Min.

Max.

Min.

Max.

Unit

V

OH

Output HIGH Voltage

V

CC

= Min., I

OH

= –2.0 mA

2.4

2.4

V

V

OL

Output LOW Voltage

V

CC

= Min., I

OL

= 4.0 mA

0.4

0.4

V

V

IH

Input HIGH Voltage

2.2

V

CC

+0.3V

2.2

V

CC

+0.3V

V

V

IL

Input LOW Voltage

–0.3

0.8

–0.3

0.8

V

I

IX

Input Load Current

–1

+1

–1

+1

µ

A

I

OZ

Output Leakage Current

GND

V

I

V

CC

,

Output Disabled

–5

+5

–5

+5

µ

A

I

OS

Output Short Circuit
Current

[2]

V

CC

= Max., V

OUT

= GND

–300

–300

mA

I

CC

V

CC

Operating

Supply Current

V

CC

= Max., I

OUT

= 0 mA,

f = f

MAX

= 1/t

RC

50

45

mA

I

SB1

Automatic CE Power-Down
Current — TTL Inputs

Max. V

CC

, CE

V

IH

,

V

IN

V

IH

, or V

IN

V

IL

,

f = f

MAX

5

5

mA

L

4

4

mA

I

SB2

Automatic CE Power-Down
Current — CMOS Inputs

[3]

Max. V

CC

, CE

V

CC

–0.3V, V

IN

V

CC

– 0.3V, or V

IN

0.3V,

WE

V

CC

–0.3V or WE

0.3V,

f=f

MAX

500

500

µ

A

L

50

50

µ

A

Capacitance

[4]

Parameter

Description

Test Conditions

Max.

Unit

C

IN

: Addresses

Input Capacitance

T

A

= 25

°

C, f = 1 MHz, V

CC

= 3.3V

5

pF

C

IN

: Controls

6

pF

C

OUT

Output Capacitance

6

pF

AC Test Loads and Waveforms

Note:

4.

Tested initially and after any design or process changes that may affect these parameters.

3.0V

3.3V

OUTPUT

R1 317

R2
351

C

L

INCLUDING

JIG AND

SCOPE

GND

90%

10%

90%

10%

3 ns

3 ns

OUTPUT

1.73V

Equivalent to:

THÉVENIN EQUIVALENT

ALL INPUT PULSES

167

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