Rainbow-electronics SCAN92LV090 Manual do Utilizador descarregar pdf (Página 5)

DC Electrical Characteristics (Continued)

Over recommended operating supply voltage and temperature ranges unless otherwise specified (Notes 2, 3)

Symbol Parameter Conditions Pin Min Typ Max Units

Minimum Input High

Voltage

, DE,

RE, TCK,

TRST,

TMS, TDI

2.0 V

Maximum Input Low

Voltage

GND 0.8 V

Input High Current V

or 2.4V D

, DE,

−20

10 +20 µA

Input Low Current V

= GND or 0.4V −20

10 +20 µA

Input Diode Clamp

Voltage

CLAMP

= −18 mA

−1.5 −0.8 V

Input High Current V

TDI, TMS,

TCK,

TRST

-20 +20 µA

ILR

Input Low Current V

= GND, V

= 3.6v TDI, TMS,

TRST

-25 -115 µA

Input Low Current VIN = GND TCK -20 +20 µA

CCD

Power Supply Current

Drivers Enabled,

Receivers Disabled

No Load, DE = RE = V

DIN=V

or GND

50 80 mA

CCR

Power Supply Current

Drivers Disabled,

Receivers Enabled

DE=RE=0V,V

300mV

50 80 mA

CCZ

Power Supply Current,

Drivers and Receivers

TRI-STATE

DE = 0V; RE = V

DIN=V

or GND 50 80 mA

Power Supply Current,

Drivers and Receivers

Enabled

DE=V

;RE=0V,

DIN=V

or GND,

=27Ω

160 210 mA

CCS

Power Supply Current

(SCAN Test Mode),

Drivers and Receivers

Enabled

DE=V

;RE=0V,

DIN=V

or GND,

=27Ω, TAP in any state other

than Test-Logic-Reset

180 230 mA

OFF

Power Off Leakage

Current

= 0V or OPEN,

, DE, RE = 0V or OPEN,

APPLIED

= 3.6V (Port Pins)

DO+/RI+,

DO−/RI− −20 +20 µA

OUTPUT

Capacitance

Bus Pins DO+/RI+,

DO−/RI−

5pF

OUTPUT

Capacitance

OUT

7pF

AC Electrical Characteristics

Over recommended operating supply voltage and temperature ranges unless otherwise specified (Note 6)

Symbol Parameter Conditions Min Typ Max Units

DIFFERENTIAL DRIVER TIMING REQUIREMENTS

PHLD

Differential Prop. Delay High to Low (Note 8) R

=27Ω,

Figure 2, Figure 3

=10pF

1.0 1.8 2.6 ns

PLHD

Differential Prop. Delay Low to High (Note 8) 1.0 1.8 2.6 ns

SKD1

Differential Skew |t

PHLD

–t

PLHD

| (Note 9) 120 ps

SKD2

Chip to Chip Skew (Note 12) 1.6 ns

SKD3

Channel to Channel Skew (Note 13) 0.25 0.55 ns

TLH

Transition Time Low to High 0.5 1.2 ns

THL

Transition Time High to Low 0.5 1.2 ns

SCAN92LV090

www.national.com5

1 2 3 4 5 6 7 8 9 10 11 12 13

Comentários a estes Manuais

Sem comentários

Rainbow-electronics SCAN92LV090 Manual do Utilizador Página 5

Comentários a estes Manuais

Manuais e produtos relacionados com Painel de controlo Rainbow-electronics SCAN92LV090