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Part Number: A426316B
Description: The A426316B is a high performance CMOS Dynamic Random Access Memory organized as 65,536 words X 16 bi...


Description: The A426316B is a high performance CMOS Dynamic Random Access Memory organized as 65,536 words X 16 bi...
The A426316B is a high performance CMOS Dynamic Random Access Memory organized as 65,536 words X 16 bits. The A426316B is fabricated with advanced CMOS technology and designed with innovative design techniques resulting in high speed, extremely low power and wide operating margins at component and system levels.
The A426316B features a high speed page mode operation in which high speed read, write and read-write are performed on any of the bits defined by the column address. The asynchronous column address uses an extremely short row address capture time to ease the system level timing constraints associated with multiplexed addressing. Output is tri-stated by a column address strobe ( UCAS and LCAS ) which acts as an output enable independent of RAS . Very EDO UCAS and LCAS to output access time eases system design.
All inputs are TTL compatible. EDO Page Mode operation allows random access up to 256 X 16 bits within a page, with cycle time as short as 12/14/15 ns.
The A426316B is best suited for graphics, digital signal processing and high performance peripherals.
The A426316B is available in JEDEC standard 40-pin plastic SOJ package and 40/44 TSOP type II package.
Input Voltage (Vin) . . . . . . . . . . . . . . . . . . . -1.0V to +7.0V
Output Voltage (Vout) . . . . . . . . . . . . . . . . -1.0V to +7.0V
Power Supply Voltage (VCC) . . . . . . . . . . -1.0V to +7.0V
Operating Temperature (TOPR) . . . . . . . . . 0°C to +70°C
Storage Temperature (TSTG) . . . . . . . . .-55°C to +150°C
Soldering Temperature X Time (TSLODER) . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C X 10sec
Power Dissipation (PD) . . . . . . . . . . . . . . . . . . . . . . . . 1W
Short Circuit Output Current (Iout) . . . . . . . . . . . . . 50mA
Latch-up Current . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA
Organization: 65,536 words X 16 bits
Part Identification:
- A426316B
- A426316B-L (with self-refresh mode)
High speed
- 30/35/40 ns RAS access time
- 16/18/20 ns column address access time
- 10/11/12 ns CAS access time
Low power consumption
- Operating: 75mA (-30 max)
- Standby: 3 mA (TTL)
Separate CAS (UCAS ,LCAS ) for byte selection
Self refresh mode
256 refresh cycles, 4 ms refresh interval
Read-modify-write, RAS -only, CAS -before- RAS , Hidden refresh capability
TTL-compatible, three-state I/O
JEDEC standard packages
- 400mil, 40-pin SOJ
- 400mil, 40/44 TSOP type II package
Single 5V power supply/built-in VBB generator
A426316B
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