256M 143MHZ 54TSOP memory IC IS42S16160G-7TLI from ISSI brand.
FEATURES
• Clock frequency: 200,166, 143 MHz
• Fully synchronous; all signals referenced to a positive clock edge
• Internal bank for hiding row access/precharge
• Single Power supply: 3.3V + 0.3V
• LVTTL interface
• Programmable burst length – (1, 2, 4, 8, full page)
• Programmable burst sequence: Sequential/Interleave
• Auto Refresh (CBR)
• Self Refresh
• 8K refresh cycles every 32 ms (A2 grade) or 64 ms (commercial, industrial, A1 grade)
• Random column address every clock cycle
• Programmable CAS latency (2, 3 clocks)
• Burst read/write and burst read/single write operations capability
• Burst termination by burst stop and precharge command
OPTIONS
• Package: 54-pin TSOP-II 54-ball BGA
• Operating Temperature Range: Commercial (0o C to +70o C) Industrial (-40o C to +85o C) Automotive Grade A1 (-40o C to +85o C) Automotive Grade A2 (-40o C to +105o C)
OVERVIEW ISSI's 256Mb Synchronous DRAM achieves high-speed data transfer using pipeline architecture. All inputs and outputs signals refer to the rising edge of the clock input. The 256Mb SDRAM is organized as follows.
| IS42S83200G | IS42S16160G |
| 8M x 8 x 4 Banks | 4M x16x4 Banks |
| 54-pin TSOPII | 54-pin TSOPII |
| 54-ball BGA | 54-ball BGA |
KEY TIMING PARAMETERS
| Parameter | -5 | -6 | -7 | Unit |
| Clk Cycle Time |
| CAS Latency = 3 | 5 | 6 | 7 | ns |
| CAS Latency = 2 | 10 | 10 | 7.5 | ns |
| Clk Frequency |
| CAS Latency = 3 | 200 | 166 | 143 | Mhz |
| CAS Latency = 2 | 100 | 100 | 133 | Mhz |
| Access Time from Clock |
| CAS Latency = 3 | 5 | 5.4 | 5.4 | ns |
| CAS Latency = 2 | 5 | 5.4 | 5.4 | ns |
| Family | Memory |
| Series | - |
| Packaging | Tray |
| Format - Memory | RAM |
| Memory Type | SDRAM |
| Memory Size | 256M (16M x 16) |
| Speed | 143MHz |
| Interface | Parallel |
| Voltage - Supply | 3 V ~ 3.6 V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 54-TSOP (0.400", 10.16mm Width) |
| Supplier Device Package | 54-TSOP II |
Drawing:
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256M 143MHZ 54TSOP Integrated Circuit Parts Memory IC IS42S16160G-7TLI Images
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