IC's A....B

Dual OPV, Case SIL8, use in BOSS effects

Datasheet:

BBD circuit to delaed analog signals, 2048 stages, clock 10 - 100KHz, 10,24 to 102,4ms delay time, Low power, Pin to pin like the the MN3207,case [...]

2 Phase clock generator for IC series MN32xx, case DIP8.

Datasheet:

Dual precision OPV, Bifet highspeed, Ubmax +/- 18V, fg 3Mhz, SR 16V/us, case DIP8, Manufacturer Analog Device

Timer B555D, Compatible NE555D
• Model Name: counter
• Type :single
• Version: bipolar
• Case: DIP-8
• Style: [...]

Quad voltage exponentially controlled amplifier (VCA)
Package: DIP16

μP CONTROLLABLE SYNTHESIZER VOICE

Complete synthesizer Voice on a Chip
• Sample & Hold buffers on-chip for easy interface to a [...]

AS3372E μP Controllable Signal Processor
Features AS3372ED
+ 2-channel VC input mixer with external input
+ 4-pole low pass VCF & [...]

Fast dual OPV for filter, VCO's etc., Ubmax +/- 18V, fg 10Mhz, SR 4V/us, case DIP8, Manufacturer Radiohm

The AS3310 is a self-contained, precision ADSR type of envelope generator intended for electronic music and other
sound generation applications. [...]

Voltage controlled filter (VCF), DIP 18

Dat

Dual Voltage Controlled Amplifier (VCA), DIP18