even more memory in the form of proprietary SIMMs. SIPs can be troublesome because they are difficult to find replacements for, so expect replacement memory modules using them to cost a premium.
- SOJ (Small-Outline J Lead) This is the contemporary package style for surface mount circuits. The leads protrude
from the package like a DIP, but are bent around just under the package in the form of a j. Sockets for SOJ packages are often used for replaceable memory ICs,
such as the BIOS ROM, but most RAM devices are soldered directly to the motherboard as system memory (or a video board as video RAM. SIMMs often use SOJ memory components.
- TSOP (Thin, Small-Outline Package) Like the SOJ, a TSOP is also a surface-mount package style. However, its small, thin body makes TSOP memory ideal for narrow spaces. Expect to find such devices serving as memory in notebook/sub-notebook systems or PCMCIA cards (aka, PC Cards.
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