Dieshots

CPU/MCU

Sharp SC43153/177/178(A)

Type4-bit General Purpose
Datecirca. 1980
FamilySharp SM-4 Family, probably SM578/579 predecessor
(insufficient information)
Technology1P1M Metal Contact Poly Gate Si CMOS
Feature Size~5μm
Size (mm)5.55 x 5.0
DescriptionThe integrated 4-bit “microcomputer” seen in Sharp PC-1200 series pocket BASIC computers and EL5100(S) programmable calculators.

SC43178: BaiduYun (pw:448m) Mega

SC43177A: BaiduYun (pw:448m) Mega

MOSTEK MK6215P aka. HP 1820-1523

Type56-bit Bit-Serial Decimal-Only Floating Point
Date1975.38
FamilyHP ACT for the “Woodstock” Calculator Series
Technology1P1M Metal Contact Poly Gate PMOS
Feature Size~7μm
Size (mm)5.0 x 5.0
DescriptionHP’s single-chip version of their first-generation handheld scientific calculator chipset.
In its essence a programmed Cordic machine with additional registers for RPN operation.
Fully dynamic data storage.

HP 1820-1523: BaiduYun (pw:448m) Mega

HP 1818-0078

TypeBit-Serial Floating Point Calculator Control Chip
Date1975.11
FamilyHP CTC for the classical HP calculators
Technology1P1M Metal Contact Poly Gate PMOS
Feature Size
Size (mm)
DescriptionHalf of the core calculator logic in HP’s first-generation handheld calculators. Contains the following elements:
1. ROM address register & Return stack (typically 1 level)
2. Status bits & Carry / Jump flag
3. Logic to translate keypresses into ROM address
4. P register & Field select logic for arithmetic operations
5. Model specific ops

The second part (HP ARC) is found here: pmonta.com

AMI_1818-0078_7511EU_KOREA: BaiduYun (pw:448m) Mega

Memory Chips

Sharp SC43125A

Type4-bit SRAM with LCD Driver
Datecirca. 1980
FamilyUnknown
Technology1P1M Metal Contact Poly Gate Si CMOS
Feature Size
Size (mm) 4.0 x 4.55
Description256 x 4 low power SRAM with LCD drivers seen in Sharp PC-1200 series pocket BASIC computers and EL5100(S) programmable calculators.

SC43125A: BaiduYun (pw:448m) Mega

MOSTEK MK6036P aka. HP 1820-1393

Type56-bit Bit-serial Dynamic RAM
Date1975.27
FamilyHP Classical Calculators’ Chipset
Technology1P1M Metal Contact Poly Gate PMOS
Feature Size
Size (mm)
Description56 x 10 bits dynamic RAM. Seen in HP45, HP55

MOSTEK_MK6036P_1820-1393-ASSB. MALYSIA_7527_M: BaiduYun (pw:448m) Mega

Analog

ADI AD624AD

TypeInstrumentation Amplifier
Date1995.48
Family
Technology1P1M Laser Trimmed Bipolar
Feature Size~9μm
Size (mm) 4.2 x 2.5
Description25MHz GBP bipolar low-noise instrumentation amplifier with laser-trimmed resistors

AD 624AD 9548 A64528: BaiduYun (pw:448m) Mega

FC54D

TypeOperational Amplifier
Date1961
FamilyuA741 Compatibles
Technology1P1M Si Bipolar
Feature Size~12μm
Size (mm)~1.5
DescriptionChinese uA741 compatible

FC54_61: BaiduYun (pw:448m) Mega