Table 3. Chip Select Truth Table

Figure 4. ADC-228 Timing Diagram

SAMPLE

N + 2

SAMPLE

N + 1

SAMPLE

N

OUTPUT

HOLD TIME

DATA

N – 1

DATA

N

DATA

N + 1

CLOCK

DIGITAL

OUTPUT

OUTPUT

DELAY

CS1

CS1

Pin 12

Pin 11

Bits 1-8

0

0

Three State Mode

0

1

Three State Mode

1

0

Data Outputted

1

1

Three State Mode

ADC-228

®

®

MECHANICAL DIMENSIONS INCHES (mm)

0.200 MAX.

(5.080)

0.235 MAX.

(5.969)

0.600 ±0.010

(15.240)

0.80 MAX.

(20.32)

0.100 TYP.

(2.540)

0.100

(2.540)

0.018 ±0.002

(0.457)

0.100

(2.540)

0.040

(1.016)

1.31 MAX.

(33.27)

1

12

13

24

1.100

(27.940)

0.190 MAX.

(4.826)

0.010

(0.254)

+0.002

–0.001

SEATING

PLANE

0.025

(0.635)

Dimension Tolerances (unless otherwise indicated):

2 place decimal (.XX) ±0.010 (±0.254)

3 place decimal (.XXX) ±0.005 (±0.127)

Lead Material: Kovar alloy

Lead Finish: 50 microinches (minimum) gold plating

over 100 microinches (nominal) nickel plating

ORDERING INFORMATION

MODEL

TEMPERATURE RANGE

ADC-228MC

0 to +70°C

ADC-228MM

–55 to +125°C

ADC-228/883

–55 to +125°C

Receptacle for PC board mounting can be ordered through AMP Inc., part # 3-331272-8

(component lead socket), 24 required. Contact DATEL for 883 product specifications

IN N O VA T IO N a n d E X C ELL E N C E

®

®

DATEL makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein

do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. The DATEL logo is a registered DATEL, Inc. trademark.

DS-0211B

10/96

ISO 9001

ISO 9001

REGISTERED

DATEL, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151

Tel: (508) 339-3000

(800) 233-2765

Fax: (508) 339-6356

Internet: www.datel.com E-mail:sales@datel.com

Data Sheet Fax Back: (508) 261-2857

DATEL (UK) LTD. Tadley, England Tel: (01256)-880444

DATEL S.A.R.L. Montigny Le Bretonneux, France Tel: 1-34-60-01-01

DATEL GmbH München, Germany Tel: 89-544334-0

DATEL KK Tokyo, Japan Tel: 3-3779-1031, Osaka Tel: 6-354-2025