MIL-M-38510-21 Microcircuits, Digital, Bipolar, Ttl, Low Power, Flip-Flops, Monolithic SiliconThis specification covers the detail requirements for monolithic, silicon, TTL, low power, bistable logic microcircuits. 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 For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.4.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-38510/21F

1.3  Absolute maximum ratings.

Supply voltage range ......................................................  0 V dc to 8.0 V dc Input voltage range .........................................................  0 V dc to 6.0 V dc Storage temperature range  ............................................  -65°C to +150°C Maximum power dissipation in accordance

with flip-flop  (PD)  1/ ..................................................  11 mW dc

Lead temperature (soldering 10 seconds) ......................  300°C

Thermal resistance, junction-to-case  (eJC)......................  (See MIL-STD-1835) Junction temperature  (TJ ) 2/..........................................  175°C

1.4  Recommended operating conditions.

Supply voltage (VCC) .......................................................  4.5 V dc minimum to 5.5 V dc maximum

Minimum high level input voltage (VIH)  ...........................  2.0 V dc

Maximum low level input voltage (VIL)  ............................  0.7 V dc, except clock input of

types 01, 02, 03, and 04

Maximum low level input voltage (VIL)  ............................  0.6 V dc, (types 01, 02, 03, and 04) Normalized fanout (each output) 3/  ................................  10 maximum

Width of clock pulse  .......................................................  � 200 ns Width of preset pulse ......................................................  � 100 ns Width of clear pulse ........................................................  � 100 ns

Input setup time:

Device types 02, 03, and 04 ......................................  � Clock pulse width minimum

Device type 01  ..........................................................  100 ns minimum when R, S input data

is complementary

Device type 01  ..........................................................  � Clock pulse width, minimum when R, S

input data is not complementary

Device type 05  ..........................................................  50 ns minimum Input hold time ................................................................  10 ns minimum Case operating temperature range (TC  ) .........................  -55°C to 125°C

2.0  APPLICABLE DOCUMENT

2.1  General.  The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples.  While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed.

1/  Must withstand the added PD due to short circuit condition (e.g. IOS) at one output for 5 seconds duration.

2/  Maximum junction temperature should not be exceeded except in accordance with allowable short

duration burn-in screening condition in accordance with MIL-PRF-38535.

3/  Device will fanout in both high and low levels to the specified number of inputs of the same device type as that being tested.

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