A 148 KB PDF named 27lc512, filed under schematics but most likely a datasheet for a low-voltage 27-series EPROM, given how the part number is built.

PDF of 129 KB titled 27C16, filed as a schematic but corresponding to an early member of the 27C EPROM family by its part number.

Labelled 27c4096, this 111 KB PDF sits in the schematic section but the name is a part number from the 27C CMOS EPROM series.

PDF of 119 KB named 27C256B, filed as a schematic yet clearly a part number from the 27C CMOS EPROM line, here with a B revision letter.

Small 27.9 KB PDF listed as a schematic and named 27LV256-20IL, a part code for a low-voltage 256 Kbit EPROM.

Small 83.6 KB PDF for a part labelled 27c8000i, listed under schematics although the number fits the 27C CMOS EPROM family.

This 89.3 KB PDF, classified as a schematic, is named 27128 and carries no brand, device or board details.

A 130 KB PDF filed as a schematic, titled 28C16A, the A revision code of the 28C16 16 Kbit parallel EEPROM. The name gives no manufacturer or package details.

Compact 121 KB PDF named 27l4100, catalogued as a schematic but resembling the part number of a low-voltage 27-series EPROM.

Listed in the schematic category, this 139 KB PDF named 27c020 is in fact best read as a datasheet for a 27C-series CMOS EPROM.

Filed among schematics, this 91.7 KB PDF is named 2764 with nothing else to identify brand or board.

Filed as a schematic, this 161 KB PDF titled 27lc010 is almost certainly a component datasheet rather than a board diagram.

A 135 KB PDF for the part 27c512, placed in the schematic category but in practice a datasheet for a member of the widely used 27C CMOS EPROM family.

A 171 KB PDF named 27c010, categorised as a schematic, though the number marks it as a part from the 27C CMOS EPROM line. No device, brand or board appears in the name.

A 77.8 KB PDF with the bare numeric name 2732, listed as a schematic and giving no device, brand or revision.

Under the name 27c040 this 153 KB PDF covers a part from the 27C CMOS EPROM series, even though it is categorised as a schematic.

A 119 KB PDF tagged as a schematic and named 27256b, the b suffix suggesting a revised variant of a 27256 part.

PDF filed as a schematic under the name 28C256, the widely used 256 Kbit parallel EEPROM part code.

Datasheet in a 106 KB PDF for the 27c256, a part number in the common 27C CMOS EPROM family, although the catalogue lists it as a schematic.

PDF document of 126 KB for a part labelled 23c256. The 23C prefix is typically used for mask-programmed ROMs, with the number pointing to a 256 Kbit size, although the…

PDF component document of 164 KB for the 23c010 part. Within the common 23C naming scheme this denotes a mask ROM, with 010 typically standing for 1 Mbit, though the…

Indexed as a schematic, this 118 KB PDF carries only the number 271024, which most often points to a 27C1024-class 1 Mbit parallel EPROM datasheet, though the name alone…

Only the number 271001 appears in this 134 KB PDF name, and it is listed as a schematic, though the pattern suggests a 27C1001-style 1 Mbit EPROM datasheet rather than a…

Numbered 27512, this compact 97.8 KB PDF is listed as a schematic but names no brand, board or revision.

Listed under schematics, this 92.0 KB PDF has a purely numeric name, 27256, with no manufacturer or revision attached.

Named 2764a, this 99.2 KB PDF sits in the schematic category, with the trailing a likely marking a revised version of a 2764 part.

Catalogued as a schematic, this 75.7 KB PDF is called 2716 and offers no brand or board information in its name.

PDF catalogued as a schematic, though the name 27lc4096 reads like a component part number in the 27-series EPROM family, with LC usually marking a low-voltage CMOS…

Reference document for a part numbered 27lc020, stored as a 163 KB PDF under the schematic category.

Datasheet-style PDF, 110 KB, carrying the part number 27l2048 and placed in the schematic category.

Very short 20.1 KB PDF for the part 27C256-12A, catalogued as a schematic. The number belongs to the 27C EPROM family, and the -12 suffix normally reflects the…

Compact 65.6 KB PDF stored as a schematic and labelled 28LV64A, part of the 28LV64 low-voltage EEPROM naming family, with the A suffix indicating a specific variant.

A very small 12.3 KB PDF catalogued as a schematic and titled 27LV256-20I, a low-voltage 256 Kbit EPROM part number with what appears to be a 200 ns speed and industrial…

Part-number-style PDF, 176 KB, labelled 27lc040 and listed here as a schematic. The pattern matches the 27-series UV or OTP EPROM family, with LC typically denoting a…