Ac characteristics, Dc characteristics – Cypress enCoRe CY7C63310 User Manual

Page 69

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CY7C63310, CY7C638xx

Document 38-08035 Rev. *K

Page 69 of 83

V

DI

Differential Input Sensitivity

0.2

V

V

CM

Differential Input Common Mode

Range

0.8

2.5

V

V

SE

Single Ended Receiver Threshold

0.8

2

V

C

IN

Transceiver Capacitance

20

pF

I

IO

Hi-Z State Data Line Leakage

0V < V

IN

< 3.3V

–10

10

μA

PS/2 Interface
V

OLP

Static Output Low

SDATA or SCLK pins

0.4

V

R

PS2

Internal PS/2 Pull up Resistance

SDATA, SCLK pins, PS/2 Enabled

3

7

K

Ω

General Purpose IO Interface
R

UP

Pull Up Resistance

4

12

K

Ω

V

ICR

Input Threshold Voltage Low, CMOS

mode

[8]

Low to High edge

40%

65%

V

CC

V

ICF

Input Threshold Voltage Low, CMOS

mode

[8]

High to Low edge

30%

55%

V

CC

V

HC

Input Hysteresis Voltage, CMOS

Mode

[8]

High to low edge

3%

10%

V

CC

V

ILTTL

Input Low Voltage, TTL Mode

[9]

IO pin Supply = 4.0–5.5V

0.8

V

V

IHTTL

Input High Voltage, TTL Mode

[9]

IO pin Supply = 4.0–5.5V

2.0

V

V

OL1

Output Low Voltage, High Drive

[7]

I

OL1

= 50 mA

0.8

V

V

OL2

Output Low Voltage, High Drive

[7]

I

OL1

= 25 mA

0.4

V

V

OL3

Output Low Voltage, Low Drive

[8]

I

OL2

= 8 mA

0.4

V

V

OH

Output High Voltage

[8]

I

OH

= 2 mA

V

CC

– 0.5

V

C

LOAD

Maximum Load Capacitance

[9]

50

pF

27. DC Characteristics

(continued)

Parameter

Description

Conditions

Min

Typical

Max

Unit

General

28. AC Characteristics

Parameter

Description

Conditions

Min

Typical

Max

Unit

Clock
T

ECLKDC

External Clock Duty Cycle

45

55

%

T

ECLK1

External Clock Frequency

External clock is the source of the

CPUCLK

0.187

24

MHz

T

ECLK2

External Clock Frequency

External clock is not the source of the

CPUCLK

0

24

MHz

F

IMO1

Internal Main Oscillator Frequency

No USB present

22.8

25.2

MHz

F

IMO2

Internal Main Oscillator Frequency

With USB present

23.64

24.3

MHz

F

ILO1

Internal Low Power Oscillator

Normal mode

29.44

37.12

kHz

F

ILO2

Internal Low Power Oscillator

Low power mode

35.84

47.36

kHz

3.3V Regulator
V

ORIP

Output Ripple Voltage

10 Hz to 100 MHz at CLOAD = 1

μF

200

mV

p-p

Notes

7. Available only in CY7C638xx P1.3, P1.4, P1.5, P1.6, P1.7.
8. Except for pins P1.0 and P1.1 in the GPIO mode.
9. Except for pins P1.0 and P1.1.

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