ATF1508AS(1998) Просмотр технического описания (PDF) - Atmel Corporation

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производитель

ATF1508AS
(Rev.:1998)

High Performance E2 PLD

Atmel Corporation 

ATF1508AS/Z

PCI Compliance

The ATF1508AS also supports the growing need in the

industry to support the new Peripheral Component Inter-

connect (PCI) interface standard in PCI-based designs and

specifications. The PCI interface calls for high current driv-

ers which are much larger than the traditional TTL drivers.

PCI Voltage-to-Current Curves for +5V

Signaling in Pull-Up Mode

VCC

Pull Up

Test Point

2.4

DC

1.4

drive point

AC drive

point

-2

-44 Current (mA) -178

PCI Voltage-to-Current Curves for +5V

Signaling in Pull-Down Mode

VCC

Pull Down

AC drive

point

2.2

DC

drive point

0.55

3.6

Test Point

95 Current (mA) 380

PCI DC Characteristics

Symbol Parameter

VCC

Supply Voltage

VIH

Input High Voltage

VIL

Input Low Voltage

IIH

Input High Leakage Current

IIL

Input Low Leakage Current

VOH

Output High Voltage

VOL

Output Low Voltage

CIN

Input Pin Capacitance

CCLK

CLK Pin Capacitance

CIDSEL

IDSEL Pin Capacitance

LPIN

Pin Inductance

Note: Leakage Current is without Pin-Keeper off.

Conditions

VIN = 2.7V

VIN = 0.5V

IOUT = -2 mA

IOUT = 3 mA, 6 mA

Min

4.75

2.0

-0.5

2.4

Max

5.25

VCC + 0.5

0.8

70

-70

0.55

10

12

8

20

Units

V

V

V

µA

µA

V

V

pF

pF

pF

nH

= Preliminary

15

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