PartNumber | IS61DDB22M18-250M3 | IS61DDB22M18A-250B4LI | IS61DDB22M18-250M3L |
Description | SRAM 36Mb 2Mbx18 DDR II Sync SRAM | SRAM 36Mb, 2M x 18 DDR-II Sync SRAM | SRAM 36M (2Mx18) 250ns DDR II Sync SRAM |
Manufacturer | ISSI | ISSI | ISSI |
Product Category | SRAM | SRAM | SRAM |
RoHS | N | Y | Y |
Memory Size | 36 Mbit | 36 Mbit | 36 Mbit |
Organization | 2 M x 18 | 1 M x 36 | 2 M x 18 |
Access Time | 4 ns | 0.45 ns | 0.35 ns |
Maximum Clock Frequency | 250 MHz | 250 MHz | 250 MHz |
Interface Type | Parallel | Parallel | Parallel |
Supply Voltage Max | 1.89 V | 1.89 V | 1.89 V |
Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
Supply Current Max | 550 mA | 500 mA | 550 mA |
Minimum Operating Temperature | - 40 C | - 40 C | 0 C |
Maximum Operating Temperature | + 125 C | + 85 C | + 70 C |
Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
Package / Case | BGA-165 | FBGA-165 | FBGA-165 |
Packaging | Tray | Tray | Tray |
Data Rate | DDR | - | DDR |
Series | IS61DDB22M18 | IS61DDB22M18A | IS61DDB22M18 |
Type | Synchronous | Synchronous | Synchronous |
Brand | ISSI | ISSI | ISSI |
Number of Ports | 2 | - | 2 |
Moisture Sensitive | Yes | Yes | Yes |
Product Type | SRAM | SRAM | SRAM |
Factory Pack Quantity | 105 | 144 | 105 |
Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
Memory Type | - | DDR | DDR |