| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| CD54HC4020F | HIGH SPEED CMOS LOGIC 14-STAGE BINARY COUNTER | Texas-Instruments | J | 16 | -55°C | 125°C | 42 K |
| CD54HC4020F3A | HIGH SPEED CMOS LOGIC 14-STAGE BINARY COUNTER | Texas-Instruments | J | 16 | -55°C | 125°C | 42 K |
| CD54HC4024F | HIGH SPEED CMOS LOGIC 7-STAGE BINARY RIPPLE COUNTER | Texas-Instruments | J | 14 | -55°C | 125°C | 40 K |
| CD54HC4024F3A | HIGH SPEED CMOS LOGIC 7-STAGE BINARY RIPPLE COUNTER | Texas-Instruments | J | 14 | -55°C | 125°C | 40 K |
| HEC4023BT | Triple 3-input NAND gate | Philips-Semiconductors | SOT108 | - | - | - | 25 K |
| HEC4023BT | Triple 3-input NAND gate | Philips-Semiconductors | SOT108 | - | - | - | 25 K |
| HEC40244BDB | Octal buffers with 3-state outputs | Philips-Semiconductors | SOT152 | - | - | - | 72 K |
| HEC4024BDB | 7-stage binary counter | Philips-Semiconductors | SOT73 | - | - | - | 42 K |
| HEC4025BDB | Triple 3-input NOR gate | Philips-Semiconductors | SOT73 | - | - | - | 25 K |
| HEC4027BDB | Dual JK flip-flop | Philips-Semiconductors | SOT74 | - | - | - | 64 K |
| HEC4027BT | Dual JK flip-flop | Philips-Semiconductors | SOT109 | - | - | - | 64 K |
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