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| Manufacturer | Texas Instruments |
|---|---|
| Manufacturer's Part Number | TMS4257-20FML |
| Description | NIBBLE MODE DRAM; Temperature Grade: COMMERCIAL; No. of Terminals: 18; Package Code: QCCJ; Refresh Cycles: 256; Package Shape: RECTANGULAR; |
| Datasheet | TMS4257-20FML Datasheet |
| In Stock | 3,404 |
| NAME | DESCRIPTION |
|---|---|
| Package Body Material: | PLASTIC/EPOXY |
| Organization: | 256KX1 |
| Output Characteristics: | 3-STATE |
| Maximum Time At Peak Reflow Temperature (s): | NOT SPECIFIED |
| Maximum Seated Height: | 3.53 mm |
| Access Mode: | NIBBLE |
| Minimum Supply Voltage (Vsup): | 4.5 V |
| Sub-Category: | DRAMs |
| Surface Mount: | YES |
| No. of Terminals: | 18 |
| No. of Words: | 262144 words |
| Terminal Position: | QUAD |
| Package Style (Meter): | CHIP CARRIER |
| Technology: | NMOS |
| JESD-30 Code: | R-PQCC-J18 |
| Package Shape: | RECTANGULAR |
| Terminal Form: | J BEND |
| Operating Mode: | ASYNCHRONOUS |
| Maximum Operating Temperature: | 70 Cel |
| Package Code: | QCCJ |
| Width: | 7.366 mm |
| Input/Output Type: | SEPARATE |
| No. of Ports: | 1 |
| Memory Density: | 262144 bit |
| Memory IC Type: | NIBBLE MODE DRAM |
| Minimum Operating Temperature: | 0 Cel |
| Memory Width: | 1 |
| No. of Functions: | 1 |
| Qualification: | Not Qualified |
| Package Equivalence Code: | LDCC18,.33X.53 |
| Refresh Cycles: | 256 |
| Length: | 12.446 mm |
| Maximum Access Time: | 200 ns |
| No. of Words Code: | 256K |
| Nominal Supply Voltage / Vsup (V): | 5 |
| Additional Features: | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| Peak Reflow Temperature (C): | NOT SPECIFIED |
| Terminal Pitch: | 1.27 mm |
| Temperature Grade: | COMMERCIAL |
| Maximum Supply Voltage (Vsup): | 5.5 V |
| Power Supplies (V): | 5 |
