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PDF AK6321024Z Data sheet ( Hoja de datos )
| Número de pieza | AK6321024Z | |
| Descripción | 10048576 x 32 Bit CMOS - BiCMOS Static Random Access Memory | |
| Fabricantes | ACCUTEK | |
| Logotipo |  |
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ACCUTEK
MICROCIRCUIT CORPORATION
AK6321024W / AK6321024Z
1,048,576 x 32 Bit CMOS/BiCMOS
Static Random Access Memory
DESCRIPTION
The Accutek AK631024 SRAM Module consists of fast high perfor-
mance SRAMs mounted on a low profile, 72 pin SIM or ZIP PCB.
The module utilizes four 32 pin 1 Meg x 4 SRAMs in 400 mil SOJ
packages and four decoupling capacitor chips mounted on each
side of a printed circuit board.
The SRAMs used have common I/O functions and single output en-
able functions. Also, four separate chip select (CE) connections are
used to independently enable the four bytes. The modules can be
supplied in a variety of access time values from 15nSEC to 30nSEC
in CMOS or BiCMOS technology.
+
1
Front View
72-Pin SIM
36 37
72-Pin ZIP
+
72
The Accutek module is designed to have a maximum seated height
of 0.670 inch SIM or 0.550 inch ZIP to provide for the lowest height
off the board. Each conforms to JEDEC-standard sizes and pin-out
configurations. Using four pins for module memory density identifi-
cation, PC0, PD1, PD2 and PD3 minimizes interchangeability and
design considerations when changing from one module size to the
other in customer applications.
FEATURES
· 1,048,576 x 32 SRAM module in high density configuration
· JEDEC Standardized 72 pin SIM format
· Common I/O, single OE functions with four separate chip
selects (CE)
· Low height, 0.670 inch SIM or 0.550 inch ZIP maximum
· Presence Detect PD0 through PC3 for identifying module density
· TTL compatible inputs and outputs
· Single 5 volt power supply - AK6321024W, AK6321054Z
· Single 3.3 volt power supply - AK6321024W/3.3,
AK6321024Z/3.3
· Fast access times range from 15 nSEC BiCMOS to 25 nSEC
1
36 37
72
· Power
170mA Active (15nS)
165mA Active (17nS)
160mA Active (20nS)
155mA Active (25nS)
10mA Standby
· Downward pin compatible with 512K x 32 (AK632512) - 72 pin
SIM or ZIP, and 256K x 32 (AK632256), 128K x 32 (AK632128),
64K x 32 (AK63264) and 32K x 32 (AK63232) - 64 pin SIM or
ZIP designs
· Operating temperature range in free air, 00C to 700C
ELECTRICAL SPECIFICATIONS
Timing diagrams and basic electrical characteristics are those of the stan-
dard 1 Meg x 4 SRAMs used to construct these modules. Accutek’s
module design allows the flexibility of selecting industry-compatible 1 Meg
x 4 SRAMs from several semiconductor manufacturers.
PIN NOMENCLATURE
PIN ASSIGNMENT
FUNCTIONAL DIAGRAM
A0 - A19
CE1 - CE4
DQ1 - DQ32
OE
PD0 - PD3
Vcc
Vss
WE
NC
Address Inputs
Chip Enable
Data In/Data Out
Output Enable
Presence Detect
5v Supply
Ground
Write Enable
No Connect
MODULE OPTIONS
Leadless SIM: AK6321024W
Leades ZIP: AK6321024Z
Leaded SIP: AK6321024G
PIN # SYMBOL PIN # SYMBOL PIN # SYMBOL PIN # SYMBOL
1 NC 19 A1 37 CE4 55 A5
2 NC 20 A8 38 CE3 56 A12
3 PD2 21 A2 39 A17 57 Vcc
4 PD3 22 A9 40 A16 58 A13
5 Vss 23 DQ13 41 OE 59 A6
6 PD0 24 DQ5 42 Vss 60 DQ21
7 PD1 25 DQ14 43 DQ25 61 DQ29
8 DQ1 26 DQ6 44 DQ17 62 DQ22
9 DQ9 27 DQ15 45 DQ26 63 DQ30
10 DQ2 28 DQ7 46 DQ18 64 DQ23
11 DQ10 29 DQ16 47 DQ27 65 DQ31
12 DQ3 30 DQ8 48 DQ19 66 DQ24
13 DQ11 31 Vss 49 DQ28 67 DQ32
14 DQ4 32 WE 50 DQ20 68 Vss
15 DQ12 33 A15 51 A3 69 A18
16 Vcc 34 A14 52 A10 70 A19
17 A0 35 CE2 53 A4 71 NC
18 A7 36 CE1 54 A11 72 NC
PD0 = Vss
PD1 = Open
PD2 = Vss
PD3 = Open
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