Pin capacitance(1), Timing models, Input test waveforms and measurement levels – Rainbow Electronics ATF1502ASV User Manual

Page 12: Output ac test loads, Atf1502asv, Output ac test loads pin capacitanc e, 5 ns typical, Typ max units conditions c, 810 pf v, 0v; f = 1.0 mhz c

Advertising
background image

12

ATF1502ASV

1615G–PLD–09/02

Note:

1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested. The OGI pin (high-voltage

pin during programming) has a maximum capacitance of 12 pF.

Timing Models

Input Test Waveforms and Measurement Levels

t

R

, t

F

= 1.5 ns typical

Output AC Test Loads

Pin Capacitance

(1)

Typ

Max

Units

Conditions

C

IN

8

10

pF

V

IN

= 0V; f = 1.0 MHz

C

I/O

8

10

pF

V

OUT

= 0V; f = 1.0 MHz

Input
Delay

t

IN

Switch

Matrix

t

UIM

Foldback Term

Delay
t

SEXP

Register Control

Delay

t

LAC

t

IC

t

EN

Logic Array

Delay

t

LAD

Global Control

Delay

t

GLOB

Internal Output

Enable Delay

t

IOE

Cascade Logic

Delay
t

PEXP

Fast Input

Delay

t

FIN

Register

Delay

t

SU

t

H

t

PRE

t

CLR

t

RD

t

COMB

t

FSU

t

FH

Output

Delay

t

OD1

t

OD2

t

OD3

t

XZ

t

ZX1

t

ZX2

t

ZX3

I/O

Delay

t

IO

R1 = 703

3.0V

OUTPUT

PIN

CL = 35 pF

R2 = 8060

Advertising