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GLT61132-40TQ View Datasheet(PDF) - G-Link Technology

Part NameGLT61132-40TQ G-Link
G-Link Technology  
Description256K X 16 CMOS DYNAMIC RAM WITH EXTENDED DATA OUTPUT


GLT61132-40TQ Datasheet PDF : 17 Pages
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G-LINK
GLT440L16
256K X 16 CMOS DYNAMIC RAM WITH EXTENDED DATA OUTPUT
Aug. 2000 (Rev.1.1)
Absolute Maximum Ratings*
Capacitance*
TA=25°C, VCC=3.3V±10%, VSS=0V
Operating Temperature, TA (ambient)
Symbol
Parameter
.....................................-10°C to +70°C
Storage Temperature(plastic)....-55°C to +150°C CIN1 Address Input
Typ Max. Unit
3 4 pF
Voltage Relative to VSS............….-1.0V to + 4.6V
Short Circuit Output Current......................50mA
CIN2
RAS , LCAS , UCAS , WE , OE
4
Power Dissipation......................................1.0W COUT Data Input/Output
5
5 pF
7 pF
*Note:Operation above Absolute Maximum Ratings can *Note: Capacitance is sampled and not 100% tested
abversely affect device reliability.
Electrical Specifications
l CAS means UCAS and LCAS .
l All voltages are referenced to GND.
l After power up, wait more than 100µs and then, execute eight CAS -before-RAS or RAS -only
refresh cycles as dummy cycles to initialize internal circuit.
Block Diagram :
OE
WE
UCAS
LCAS
RAS
RAS CLOCK
GENERATOR
CAS CLOCK
GENERATOR
WE CLOCK
GENERATOR
OE CLOCK
GENERATOR
VCC
VSS
A0
A1
.
A7
.
A8
REFRESH
COUNTER
9
Data I/O BUS
COLUMN DECODERS
SENSE AMPLIFIERS
Y0 - Y8
512 × 16
ADDRESS BUFFERS
AND PREDECODERS
X0 - x8
ROW
DECODERS
512
MEMORY
ARRAY
I/O
BUFFER
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O16
G-Link Technology Corporation
2701Northwestern Parkway
Santa Clara, CA 95051, U.S.A.
-3-
G-Link Technology Corporation,Taiwan
6F, No. 24-2, Industry E, RD, IV, Science Based
Industrial Park, Hsin Chu, Taiwan.
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Description :
The GLT440L16 is a 262,144 x 16 bit high-performance CMOS dynamic random access memory. The GLT44016 offers Fast Page mode with Extended Data Output, and has both BYTE WRITE and WORD WRITE access cycles via two CAS pins. The GLT440L16 has symmetric address and accepts 512-cycle refresh in 8ms interval All inputs are TTL compatible. EDO Page Mode operation allows random access up to 512 x 16 bits within a page, with cycle time as short as 14ns.
The GLT440L16 is best suited for graphics, and DSP applications requiring high performance memories.

Features :
* 262,144 words by 16 bits organization.
* Fast access time and cycle time.
* Dual CAS Input.
* Low power dissipation.
* Read-Modify-Write, RAS-Only Refresh, CAS -Before-RAS Refresh, Hidden Refresh and Test Mode Capability.
* 512 refresh cycles per 8ms.
* Available in 40-Pin 400 mil SOJ and 40/44 Pin TSOP(II)
* Single +3.3V±10% Power Supply.
* All inputs and Outputs are TTL compatible.
* Extended Data-Out(EDO) Page Mode operation.

 

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