Home > Products > Flash Memory IC Chip > AS4C1M16E5-50JC - Alliance Semiconductor Corporation - 5V 1M16 CMOS DRAM (EDO)
AS4C1M16E5-50JC - Alliance Semiconductor Corporation - 5V 1M16 CMOS DRAM (EDO)
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Product Details
Brand Name: | SHENGDA | Place of Origin: | China | Model Number: | Alliance Semiconductor Corporation |
Product Description
Certification:ISO
Quick Detail:
5V 1M×16 CMOS DRAM (EDO)
Description:
The AS4C1M16E5 is a high performance 16-megabit CMOS Dynamic Random Access Memory (DRAM) organized as 1,048,576 words × 16 bits. The device is fabricated using advanced CMOS technology and innovative design techniques resulting in high speed, extremely low power and wide operating margins at component and system levels. The Alliance 16Mb DRAM family is optimized for use as main memory in personal and portable PCs, workstations, and multimedia and router switch applications.
The AS4C1M16E5 features hyper page mode operation where read and write operations within a single row (or page) can be executed at very high speed by toggling column addresses within that row. Row and column addresses are alternately latched into input buffers using the falling edge of RAS and xCAS inputs, respectively. Also, RAS is used to make the column address latch transparent, enabling application of column addresses prior to xCAS assertion. The AS4C1M16E5 provides dual UCAS and LCAS for independent byte control of read and write access.
Extended data out (EDO), also known as \'hyper-page mode,\' enables high speed operation. In contrast to \'fast-page mode\' devices, data remains active on outputs after xCAS is de-asserted high, giving system logic more time to latch the data. Use OE and WE to control output impedance and prevent bus contention during read-modify-write and shared bus applications. Outputs also go to high impedance at the last occurrance of RAS and xCAS going high.
Refresh on the 1024 address combinations of A0 to A9 must be performed every 16 ms using:
• RAS-only refresh: RAS is asserted while xCAS is held high. Each of the 1024 rows must be strobed. Outputs remain high impedence.
• Hidden refresh: xCAS is held low while RAS is toggled. Outputs remain low impedence with previous valid data.
• CAS-before-RAS refresh (CBR): At least one xCAS is asserted prior to RAS. Refresh address is generated internally.
Outputs are high-impedence (OE and WE are don\'t care).
• Normal read or write cycles refresh the row being accessed.
The AS4C1M16E5 is available in the standard 42-pin plastic SOJ and 44/50-pin TSOP II packages, respectively. The AS4C1M16E5 device
operates with a single power supply of 5V ± 0.5V and provides TTL compatible inputs and outputs.
Applications:
• Organization: 1,048,576 words × 16 bits
• High speed
- 45/50/60 ns RAS access time
- 20/20/25 ns hyper page cycle time
- 10/12/15 ns CAS access time
• Low power consumption
- Active: 740 mW max (AS4C1M16E5-60)
- Standby: 5.5 mW max, CMOS DQ
• Extended data out
• 1024 refresh cycles, 16 ms refresh interval
- RAS-only or CAS-before-RAS refresh Read-modify-write
• TTL-compatible, three-state DQ
• JEDEC standard package and pinout
- 400 mil, 42-pin SOJ
- 400 mil, 44/50-pin TSOP II
• 5V power supply (AS4C1M16E5)
• 3V power supply (AS4LC1M16E5)
• Industrial and commercial temperature available
Specifications:
part no. | AS4C1M16E5-50JC |
Manufacturer | Alliance Semiconductor Corporation |
supply ability | 10000 |
datecode | 10+ |
package | 42pin-TSOP |
remark | new and original stock |
Competitive Advantage:
Warranty :180days for all goods
Free shipping:Order over $600 win a free shipment fee:goods weight below 3Kg.
Mega Source Electronics stocks components ready to ship. Hard to find, obsolete and highly allocated integrated circuits and semiconductors are all can be found by us.
Mega Source Electronics has established a well-developed logistics system and global logistics network, which can guarantee our service very quick, convenient and efficient.
Contact Us
- SHENGDA Electronics Co.LTD
- Contact nameLinda Zhang
- Phone86-755-58576770
- Address Linyi,Shandong
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