Aeroflex Circuit Technology

SCD3369-1 REV C 5/31/00 Plainview NY (516) 694-6700

12

Detail "A"

0°±5°

.130 (3.302)

MAX

.010R MIN

.010R MIN

.012 (.304)

.009 (.229)

.015 (.381)

.009 (.229)

.100 (2.540)

.080 (2.032)

Package Information – "F20" – CQFP 200 Leads

1.464 (37.186) SQ

1.436 (36.474) SQ

1.230 (31.242)

1.220 (30.988)

49 Spaces at .025

(49 Spaces at .635)

151

200

1

51

50

100

101

150

Pin 1 Chamfer

1.664 (42.266)

1.596 (40.538)

.045 (1.143)

REF

.066 (1.676)

.054 (1.372)

.115 (2.921)

MAX

.1.290 (32.766) SQ

REF

Detail "A"

.035 (.889)

.025 (.635)

Pin Nomenclature

A0-A10

BA0-BA10

Address Inputs

A0-A10, BA0-BA10 Row Addresses

A0-A7, BA0-BA7 Column Addresses

A10, BA10 Automatic-Precharge Select

DQML1,2

DQMU1,2

Data/Input Mask Enables

A11,BA11

Bank Select

RAS1,RAS2

Row-Address Strobe

CAS1,CAS2

Column-Address Strobe

VCC

Power Supply

CKE1,CKE2

Clock Enable

VCCQ

Power Supply for Output Drivers

CLK1,CLK2

System Clock

VSS

Ground

CS1,CS2

Chip Select

VSSQ

Ground for Output Drivers

DQ0-DQ95

SDRAM Data Input/Output

WE1,WE2

Write Enable

Note: 1. All Dimensions in inches (Millimeters) MAX or Typical where noted.

MIN