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ORDERING INFORMATION
PART NUMBER CODING INTERPRETATION
Position
1
2
3
4
5
6
7
8
1
Product
AK
Type
4 = Dynamic RAM
5 = CMOS Dynamic RAM
6 = Static RAM
Organization/Word Width
1 = by 1
16 = by 16
4 = by 4
32 = by 32
8 = by 8
36 = by 36
9 = by 9
Size/Bits Depth
64
= 64K
256 = 256K
1024 = 1 MEG
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
Z = Zig-Zag In-Line Package (ZIP)
Special Designation
P = Page Mode
N = Nibble Mode
K = Static Column Mode
W = Write Per Bit Mode
V = Video Ram
Separator
- = Commercial 0
0
C to +70
0
C
M = Military Equivalent Screened
(-55
C to +125
C)
I
= Industrial Temperature Tested
(-45
C to +85
C)
X = Burned In
Speed (first two significant digits)
DRAMS
SRAMS
50 =
50 nS
60 =
60 nS
10 =
70 =
70 nS
12 =
80 =
80 nS
15 =
= Accutek Memory
2
3
4
4096 =
8192 =
16384 =
4 MEG
8 MEG
16 MEG
5
6
7
8
8 =
8 nS
10 nS
12 nS
15 nS
3
3
3
3
0
0
0
0
0
0
.
.
0
0
0
0
0
T
0
T
1
3
1
0.100
TYP
0
0
0
M
ACCUTEK MICROCIRCUIT CORPORATION
BUSINESS CENTER at NEWBURYPORT
2 NEW PASTURE ROAD, SUITE 1
NEWBURYPORT, MA 01950-4054
VOICE: 978-465-6200
Email: accutek@seacoast.com
Internet: www.accutekmicro.com
FAX: 978-462-3396
Accutek Reserves the right to make changes in specifications at any
time and without notice. Accutek does not assume any responsibility
for the use of any circuitry described; no circuit patent licenses are im-
plied. 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.
MECHANICAL DIMENSIONS
Inches
The numbers and coding on this page do not include all variations
availablebutareshowasexamplesofthemostwidelyusedvariations.
Contact Accutek if other information is required.
EXAMPLES:
AK491024SP-80
1Megx9,80nSECDRAM30pinSIMConfiguration,PageMode
AK491024GN-70
1Megx9,70nSECDram30pinSIPConfiguration,NibbleMode