Standard SRAM,
| Parameter Name | Attribute value |
| Is it lead-free? | Contains lead |
| Is it Rohs certified? | incompatible |
| Maker | Fairchild |
| package instruction | , |
| Reach Compliance Code | compliant |

| 74LS670FC | 54LS670DM | 54LS670FM | 74LS670PC | 74LS670DC | |
|---|---|---|---|---|---|
| Description | Standard SRAM, | Memory IC, TTL, CDIP16, | Memory IC, TTL, CDFP16, | Shift Register, | Standard SRAM, |
| Is it Rohs certified? | incompatible | incompatible | incompatible | incompatible | incompatible |
| Maker | Fairchild | Fairchild | Fairchild | Fairchild | Fairchild |
| Reach Compliance Code | compliant | compliant | compliant | compliant | compliant |
| Is it lead-free? | Contains lead | - | - | Contains lead | Contains lead |
| JESD-609 code | - | e0 | e0 | e0 | - |
| Terminal surface | - | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | - |
| Base Number Matches | - | 1 | 1 | 1 | - |