5

All data sheets are subject to change without notice

©2003 Maxwell Technologies

All rights reserved.

Microprocessor-compatible 8-Bit ADC

7820

09.09.03 Rev 3

(V

(T

1. Sample tested at 25°C to ensure compliance. Only on process design change.

CS to RD/WR Setup Time

9, 10, 11

t

CSS

0--

ns

CS to RD/WR Hold Time

9, 10, 11

t

CSH

0--

ns

CS to Delay Time (Pull-up Resistor = 5k

Ω

9, 10, 11

t

RDY

--

100

ns

Conversion Time (RD Mode)

9, 10, 11

t

CRD

--

2.5

µ s

Data Access Time (RD Mode)

9, 10, 11

t

ACCD

--

t

ns

RD to INT Delay (RD Mode)

9, 10, 11

t

INTH

--

225

ns

Data Hold Time

9, 10, 11

t

DH

--

100

ns

Delay Time Between Conversions

9, 10, 11

t

p

600

--

ns

Write Pulse Width

9, 10, 11

t

WR

600

--

ns

--

50

µ s

Delay Time Between WR and RD Pulses

9, 10, 11

t

RD

700

--

ns

Data Access Time (WR-RD Mode)

9, 10, 11

t

ACC1

--

250

ns

RD to INT Delay

9, 10, 11

t

R1

--

225

ns

WR to INT Delay

9, 10, 11

t

INTL

--

1700

ns

Data Access Time (WR-RD Mode)

9, 10, 11

t

ACC2

--

110

ns

WR to INT Delay (Stand-Alone Operation)

9, 10, 11

t

IHWR

--

150

ns

Data Access Time After INT (Stand-Alone Operation

9, 10, 11

t

ID

--

75

ns