: Ranges from -60°C to +125°C for military-grade variants (often found in ceramic-metal cases).
This series is the Soviet and post-Soviet equivalent of the Western families. It is designed to balance speed and efficiency, offering a significant reduction in power consumption compared to standard TTL families while maintaining high performance.
Справочник. Логические ИС. КР1533 КР1554. В двух частях - Elec.ru




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