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GVT73256A16TS-12LI Datasheet

  • GVT73256A16TS-12LI

  • x16 SRAM

  • 11頁(yè)

  • ETC

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GALVANTECH
, INC.
ASYNCHRONOUS
SRAM
FEATURES
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Fast access times: 10, 12, and 15ns
Fast OE# access times: 5, 6, and 7ns
Single +3.3V +0.3V power supply
Fully static -- no clock or timing strobes necessary
All inputs and outputs are TTL-compatible
Three state outputs
Center power and ground pins for greater noise immunity
Easy memory expansion with CE# and OE# options
Automatic CE# power down
High-performance, low-power consumption, CMOS
double-poly, double-metal process
Packaged in 44-pin, 400-mil SOJ and 44-pin, 400-mil
TSOP
GVT73256A16
REVOLUTIONARY PINOUT 256K X 16
256K x 16 SRAM
+3.3V SUPPLY
REVOLUTIONARY PINOUT
GENERAL DESCRIPTIO N
The GVT73256A16 is organized as a 262,144 x 16
SRAM using a four-transistor memory cell with a high
performance, silicon gate, low-power CMOS process.
Galvantech SRAMs are fabricated using double-layer
polysilicon, double-layer metal technology.
This device offers center power and ground pins for
improved performance and noise immunity. Static design
eliminates the need for external clocks or timing strobes. For
increased system flexibility and eliminating bus contention
problems, this device offers chip enable (CE#), separate byte
enable controls (BLE# and BHE#) and output enable (OE#)
with this organization.
The device offers a low power standby mode when chip
is not selected. This allows system designers to meet low
standby power requirements.
OPTIONS
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Timing
10ns access
12ns access
15ns access
Packages
44-pin SOJ (400 mil)
44-pin TSOP (400 mil)
Power consumption
Standard
Low
Temperature
Commercial
Industrial
MARKING
-10
-12
-15
PIN ASSIGNMENT
44-Pin SOJ
44-Pin TSOP
A0
A1
A2
A3
A4
CE#
DQ1
DQ2
DQ3
DQ4
VCC
VSS
DQ5
DQ6
DQ7
DQ8
WE#
A5
A6
A7
A8
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
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J
TS
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None
L
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None
I
(
0擄C
to
70擄C)
(
-40擄C
to
85擄C)
A17
A16
A15
OE#
BHE#
BLE#
DQ16
DQ15
DQ14
DQ13
VSS
VCC
DQ12
DQ11
DQ10
DQ9
NC
A14
A13
A12
A11
A10
Galvantech, Inc. 3080 Oakmead Village Drive, Santa Clara, CA 95051
Tel (408) 566-0688 Fax (408) 566-0699 Web Site http://www.galvantech.com
Rev. 7/99
Galvantech, Inc. reserves the right to chang
e
products or specifications without notice
.

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