MIL-M-38510-25 Microcircuits, Digital, Bipolar, Ttl, Low Power, Counters, Monolithic SiliconThis specification covers the detail requirements for monolithic silicon, Schottky TTL, binary and decade counters. Two product assurance classes and a choice of case outlines and lead finishes are provided for each type and are reflected in the complete part number. For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.4.

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MIL-M-38510/25E

NOTES:

1. The pulse generators have the following characteristics: tr ≤ 10 ns, tf ≤ 10 ns, PRR = 10 MHz, duty cycle < 50%, ZOUT = 50 Ω.

2. All diodes are 1N3064, or equivalent.

3. CL includes probe and jig capacitance.

4. Voltage values are with respect to network ground terminal.

FIGURE 6. Synchronous switching test circuit for device types 04 and 05.