AK5322048NI-80 - Accutek Microcircuit Corporation

DESCRIPTION

The Accutek AK5322048N high density memory module is a CMOS

dynamic RAM organized in 2048K x 32 bit words. The module con-

sists of four standard 1 Meg x 16 DRAMs in plastic TSOP packages.

The assembly has 2 drams mounted on each side of a printed circuit

board in a 72 pad leadless Dual Row Sodim configuration.

This configuration allows socket-mounting of large quantities of

memory in applications where high density and ease of inserting ad-

ditional memory are important.

The operation of the AK5322048A is identical to four 1M x 16

Drams. There are four CAS lines and four RAS lines. On each bank

of 1M x 32, independent byte control is accomplished by four CAS

lines. Each seperate CAS line controls one byte of the 1M x 16

Dram. Two banks of 32 bits are controlled by the two pairs of RAS

lines. A sixteen bit data path can be produced by connecting DQ0to

DQ16,DQ

1to DQ17 etc. and alternately strobing RAS0with RAS1

and RAS2with RAS3.

FEATURES

·2,097,152 x 32 bit organization

·72 pad Dual Row Sodim Module

·Multiple CAS and RAS lines allow x16 or x32 bit widths

·CAS-before-RAS,RAS-only or hidden refresh

·Operating free air temperature 0oCto70

·Single 5 Volt Power Supply

·1024 Refresh Cycles, 16 mSEC

·Available in Fast Page Mode and Static Column Mode ver-

sions

·Power

1.80 Watt Max Active (60nS)

1.66 Watt Max Active (70 nS)

1.44 Watt Max Active (80 nS)

22 mW Max StandbyAvailable

ADDITIONAL OPTIONS AVAILABLE

1 Meg x 32 version, AK5321024N

Accutek

Microcircuit

Corporation

AK5322048N

2,097,152 Word by 32 Bit CMOS

Dynamic Random Access Memory

171

272

Front

Side

Back

Side

PIN NOMENCLATURE

DQ0-DQ

31 Data In/Data Out

A0-A

9Address Inputs

CAS0- CAS3Column Address Strobe

RAS0- RAS3Row Address Strobe

WE Write Enable

PD0-PD

6Presence Detect

Vcc 5v Supply

Vss Ground

NC No Connect

MODULE OPTIONS

Leadless SODIM: AK5322048N

PIN ASSIGNMENT

PIN # SYMBOL PIN # SYMBOL PIN # SYMBOL PIN # SYMBOL

1 Vss 19 NC 37 DQ16 55 NC

2 DQ0 20 NC 38 DQ17 56 DQ24

3 DQ1 21 DQ8 39 Vss 57 DQ25

4 DQ2 22 DQ9 40 CAS0 58 DQ26

5 DQ3 23 DQ10 41 CAS2 59 DQ28

6 DQ4 24 DQ11 42 CAS3 60 DQ27

7 DQ5 25 DQ12 43 CAS1 61 Vcc

8 DQ6 26 DQ13 44 RAS0 62 DQ29

9 DQ7 27 DQ14 45 RAS1 63 DQ30

10 Vcc 28 A7 46 NC 64 DQ31

11 PD0 29 NC 47 WE 65 NC

12 A0 30 Vcc 48 NC 66 PD1

13 A1 31 A8 49 DQ18 67 PD2

14 A2 32 A9 50 DQ19 68 PD3

15 A3 33 RAS3 51 DQ20 69 PD4

16 A4 34 RAS2 52 DQ21 70 PD5

17 A5 35 DQ15 53 DQ22 71 PD6

18 A6 36 NC 54 DQ23 72 Vss

Presence Detect -

Access

Time PD0PD1PD2PD3PD4PD5PD6

-60 NC Vss Vss Vss NC NC NC

-70 NC Vss Vss Vss Vss NC NC

FUNCTIONAL DIAGRAM

MECHANICAL DIMENSIONS

ORDER INFORMATION

PART NUMBER CODING INTERPRETATION

Position 12345678

1 Product

AK = Accutek Memory

2 Type

4 = Dynamic RAM

5 = CMOS Dynamic RAM

6 = Static RAM

3 Organization/Word Width

1 = b y 1 16 = by 16

4 = by 4 32 = by 32

8 = by 8 36 = by 36

9 = by 9

4 Size/Bits Depth

64 = 64K 4096 = 4 MEG

256 = 256K 8192 = 8 MEG

1024 = 1 MEG 16384 = 16 MEG

The numbers and coding on this page do not include all variations avail-

able, but are shown as examples of the most widely used variations.

Contact Accutek if other information is required.

Position 12345678

5 Package Type

G = Single In-Line Package (SIP)

S = Single In-Line Module (SIM)

D = Dual In-Line Package (DIP)

W = .050 inch Pitch Edge Connect

N = Dual Row Sodim

Z = Zig-Zag In-Line Package (ZIP)

6 Special Designation

P = Page Mode

N = Nibble Mode

K = Static Column Mode

W = Write Per Bit Mode

V = Video Ram

7 Separator

- = Commercial 00Cto+70

M = Military Equivalent Screened

(-550C to +1250C)

I = Industrial Temperature Tested

(-450Cto+85

0C)

X = Burned In

8 Speed (first two significant digits)

DRAMS SRAMS

60 = 60 nS 12 = 12 nS

70 = 70 nS 15 = 15 nS

80 = 80 nS 20 = 20nS

ACCUTEK MICROCIRCUIT CORPORATION

BUSINESS CENTER at NEWBURYPORT

2 NEW PASTURE ROAD, SUITE 1

NEWBURYPORT, MA 01950-4054

PHONE: 978-465-6200 FAX: 978-462-3396

Email: sales@accutekmicro.com

Internet: www.accutekmicro.com

Accutek reserves the right to make changes in specifications at any time and with-

out notice. Accutek does not assume any responsibility for the use of any circuitry

described; no circuit patent licenses are implied. Preliminary data sheets contain

minimum and maximum limits based upon design objectives, which are subject to

change upon full characterization over the specific operating conditions.

0.700"

2.350" 0.158" 0.150"

0.100"

0.040"

2.033"

0.197"

0.300"

0.250"

0.070"

1.000"

DQ0

DQ1

DQ2

DQ3

DQ4

DQ5

DQ6

DQ7

DQ8

DQ9

DQ1 0

DQ1 1

DQ1 2

DQ1 3

DQ1 4

DQ1 5

DQ0

DQ1

DQ2

DQ3

DQ4

DQ5

DQ6

DQ7

DQ8

DQ9

DQ1 0

DQ1 1

DQ1 2

DQ1 3

DQ1 4

DQ1 5

DQ0

DQ1

DQ2

DQ3

DQ4

DQ5

DQ6

DQ7

DQ8

DQ9

DQ1 0

DQ1 1

DQ1 2

DQ1 3

DQ1 4

DQ1 5

DQ0

DQ1

DQ2

DQ3

DQ4

DQ5

DQ6

DQ7

DQ8

DQ9

DQ1 0

DQ1 1

DQ1 2

DQ1 3

DQ1 4

DQ1 5

DQ0

DQ1

DQ2

DQ3

DQ4

DQ5

DQ6

DQ7

DQ8

DQ9

DQ1 0

DQ1 1

DQ1 2

DQ1 3

DQ1 4

DQ1 5

DQ1 6

DQ1 7

DQ1 8

DQ1 9

DQ2 0

DQ2 1

DQ2 2

DQ2 3

DQ2 4

DQ2 5

DQ2 6

DQ2 7

DQ2 8

DQ2 9

DQ3 0

DQ3 1