30.0Electrical Characteristics

30.1ABSOLUTE MAXIMUM RATINGS

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distribu- tors for availability and specifications.

Supply voltage (VCC)

TBD

All input and output voltages with re-

-0.5V to

spect to GND*

IOVCC + 0.5V

 

2 kV

ESD protection level

(Human Body

 

Model)

Allowable sink/source current per

±10 mA

signal pin

 

Total current into IOVCC pins

200 mA

Total current into VCC pins (source)

200 mA

Total current out of GND pins (sink)

200 mA

Latch-up immunity

±200 mA

Storage temperature range

-65°C to +150°C

Note: Absolute maximum ratings indicate limits beyond which damage to the device may occur. DC and AC electri- cal specifications are not ensured when operating the de- vice at absolute maximum ratings. * The latch-up tolerance on Access Bus pins 14 and 15 exceeds 150mA.

CP3BT26

30.2DC ELECTRICAL CHARACTERISTICS (Temperature: -40°CTA +85°C)

Symbol

 

 

Parameter

 

Conditions

Min

Max

Units

 

 

 

 

 

 

 

 

Vcc

Digital Logic Supply Voltage

 

 

 

2.25

2.75

V

 

 

 

 

 

 

 

 

IOVcc

I/O Supply Voltage

 

 

 

2.25

3.63

V

 

 

 

 

 

 

 

 

AVcc

Analog PLL Supply Voltage

 

 

 

2.25

2.75

V

 

 

 

 

 

 

 

 

 

ADVcc

 

ADC Supply Voltage

 

 

 

2.25

2.75

V

 

 

 

 

 

 

 

 

 

UVcc

 

USB Supply Voltage

 

 

 

3.0

3.63

V

 

 

 

 

 

 

 

 

 

VIL

 

Logical 0 Input Voltage

 

 

 

-0.5

0.3 Vcc

V

 

 

(except X1CKI, X2CKI, and

RESET)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIH

 

Logical 1 Input Voltage

 

 

 

0.7 IOVcc

IOVcc + 0.5

V

 

 

(except X1CKI, X2CKI, and

RESET)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vxl1

X1CKI Logical 0 Input Voltage

 

External X1 clock

-0.5

0.3 Vcc

V

 

 

 

 

 

 

Vxh1

X1CKI Logical 1 Input Voltage

External X1 clock

0.7 Vcc

Vcc + 0.5

V

 

 

 

 

 

 

 

Vxl2

X2CKI Logical 0 Input Voltage

 

External X2 clock

-0.5

0.6

V

 

 

 

 

 

 

Vxh2

X2CKI Logical 1 Input Voltage

External X2 clock

0.7 Vcc

Vcc + 0.5

V

 

 

 

 

 

 

 

 

 

 

Vrstl

 

 

Logical 0 Input Voltage

 

 

input

-0.5

0.4

V

 

RESET

RESET

 

 

 

 

 

 

 

 

 

 

Vrsth

 

 

Logical 1 Input Voltage

 

 

input

1.7

 

V

 

RESET

RESET

 

 

 

 

 

 

 

 

 

 

V

 

Hysteresis Loop Width a

 

 

 

0.1 IOVcc

 

V

hys

 

 

 

 

 

 

 

 

 

 

 

IOH

 

Logical 1 Output Current

 

VOH = 1.8V,

-6

 

mA

 

 

 

 

 

 

 

IOVcc = 2.25V

 

 

 

 

 

 

 

 

 

 

 

IOL

 

Logical 0 Output Current

 

VOL = 0.45V,

6

 

mA

 

 

 

 

 

 

 

IOVcc = 2.25V

 

 

 

 

 

 

 

 

 

 

IOLACB

 

SDA, SCL Logical 0 Output Current

VOL = 0.4V,

3

 

mA

 

 

 

 

 

 

 

IOVcc = 2.25V

 

 

 

 

 

 

 

 

 

 

 

IOLTS

 

Touchscreen Logical 0 Output Current

 

VOL = 0.15V,

18

 

mA

 

 

(for ADC2/TSX- and ADC3/TSY-)

 

ADVcc = 2.25V

 

 

 

 

 

 

 

 

 

 

 

IOHTS

 

Touchscreen Logical 1 Output Current

 

VOH = 2.1,

-18

 

mA

 

 

(for ADC0/TSX+ and ADC1/TSY+)

 

ADVcc = 2.25V

 

 

 

 

 

 

 

 

 

 

IOHW

 

Weak Pull-up Current

VIL = 0V,

-20

-300

µA

 

 

 

 

 

 

 

IOVcc = 3.63V

 

 

 

 

 

 

 

 

 

 

IL

 

High Impedance Input Leakage Current

0V Vin IOVcc

-2.0

2.0

µA

243

www.national.com

Page 243
Image 243
National CP3BT26 Electrical Characteristics, Absolute Maximum Ratings, Tbd, Symbol Parameter Conditions Min Max Units