Description
- Model: 128M PC133 SDRAM
- Brand: Transcend
- Part Type: SDRAM memory module
- Capacity: 128MB
- Memory Standard: PC133 SDRAM
- Typical Format: 168-pin DIMM; exact module part number should be confirmed before ordering
Technical Introduction
The Transcend 128M PC133 SDRAM is a legacy 128MB PC133 SDRAM memory module intended for computer and industrial-control platforms that use conventional SDRAM rather than DDR-generation memory.
Transcend produced multiple 128MB PC133 configurations, so the description “128M PC133 SDRAM” does not identify a single universal module. Published Transcend documentation includes 168-pin unbuffered DIMM versions such as TS16MLS64V6G and TS16MLS64V6D, while a separate 144-pin SO-DIMM version is also documented. The electrical organization, ECC status, and physical connector therefore need to be matched to the target system before purchase.
Engineer’s Takeaway: Confirm the pin count, module part number, ECC/buffer configuration, and memory organization before replacing legacy memory. Capacity and speed alone are not sufficient for compatibility.
Core Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Transcend Information |
| Product Description | 128M SDRAM |
| Capacity | 128MB |
| Memory Type | SDRAM |
| Speed Grade | |
| Typical Clock Rate | 133 MHz |
| Typical Voltage | 3.3 V |
| CAS Latency | CL3 on documented Transcend 168-pin modules |
| Module Format | 168-pin DIMM on documented modules |
| ECC / Registered | Configuration-dependent; verify exact module |
| Example Transcend Part | TS16MLS64V6G |
| Example Organization | 16M × 16 |
| Example Interface | 64-bit unbuffered DIMM |
| Operating Temperature | 0°C to 70°C on documented standard modules |
TRANSCEND 128M PC133 SDRAM
Transcend documentation confirms 128MB unbuffered DIMM variants with 168 pins, 3.3 V operation, and CL3 timing. Other 128MB variants use different form factors, so the specific module number should control the final specification.
Please refer to the OEM/module datasheet for the exact memory organization, ECC status, mechanical dimensions, SPD information, and environmental tolerances.
Field Engineer’s Tech Notes
1. does not define the module geometry.
A 128MB module can exist as a desktop 168-pin DIMM or a laptop/embedded 144-pin SO-DIMM. Do not order solely from “128M SDRAM” when the host equipment is unknown.
2. ECC and registered memory are not interchangeable with standard unbuffered SDRAM.
Some Transcend 128MB products were offered as ECC/unbuffered variants, while others were standard unbuffered modules. Check the system manual and the original module label before substitution. Third-party compatibility data also shows both standard and ECC configurations in this capacity range.
Adaptive QA & Testing Protocol
Incoming inspection verifies the Transcend label, module part number, memory capacity, PCB condition, gold-contact condition, and physical pin count. The memory IC markings and SPD data are also checked where accessible.
Functional testing is performed in a compatible memory-test platform. The module is checked for system recognition at 128MB, operating behavior, memory-test stability, and error-free read/write operation. Where the application is an industrial PC or legacy automation workstation, the module is tested with the appropriate operating environment or hardware configuration rather than relying only on a generic PC memory test.
For ECC-capable systems, ECC reporting is verified separately where supported.
Inspection photographs, test reports, and available test videos can be provided upon request.
Buyer’s FAQ
Is TRANSCEND 128M SDRAM always a 168-pin DIMM?
No. Transcend produced multiple 128MB variants, including 168-pin DIMMs and 144-pin SO-DIMMs. Verify the exact part number or physical module before ordering.
Is compatible with DDR or DDR2 memory?
No. SDRAM is a different memory generation and electrical interface. It should not be substituted with DDR, DDR2, or DDR3 simply because the capacity is the same.
Is the 128MB module ECC or non-ECC?
That depends on the specific Transcend part number. Documented Transcend 128MB products include both standard unbuffered and ECC variants. Confirm the host system requirement before purchase.
What condition, warranty, and lead time are available?
Availability for legacy memory varies by inventory. Confirm whether the offered module is new, New Surplus (NSFP), or refurbished, together with test status, warranty coverage, and dispatch lead time.
Start Chat
