MIL-M-38510-327 Microcircuits, Digital, Bipolar, Low-Power Schottky Ttl, Counters, Monolithic SiliconThis specification covers the detail requirements for monolithic silicon, low-power Schottky TTL, binary and decade counters 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 For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.3.

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MIL-M-38510/327B

Terminal number	Terminal symbol
	Device type 01		Device type 02		Device type 03
	Case E, F	Case 2	Case A, B, C, D	Case 2	Case E, F	Case 2
1	1A	NC	1A	NC	1CLK	NC
2	1CLR	1A	1CLR	1A	1CLR	1CLK
3	1QA	1CLR	1QA	1CLR	1QA	1CLR
4	1B	1QA	1QB	1QA	1 SET T0 9	1QA
5	1QB	1B	1QC	NC	1QB	1 SET T0 9
6	1QC	NC	1QD	1QB	1QC	NC
7	1QD	1QB	GND	NC	1QD	1QB
8	GND	1QC	2QD	1QC	GND	1QC
9	2QD	1QD	2QC	1QD	2QD	1QD
10	2QC	GND	2QB	GND	2QC	GND
11	2QB	NC	2QA	NC	2QB	NC
12	2B	2QD	2CLR	2QD	2 SET TO 9	2QD
13	2QA	2QC	2A	2QC	2QA	2QC
14	2CLR	2QB	vCC	2QB	2CLR	2QB
15	2A	2B		NC	2CLK	2 SET TO 9
16	vCC	NC		2QA	vCC	NC
17		2QA		NC		2QA
18		2CLR		2CLR		2CLR
19		2A		2A		2CLK
20		vCC		vCC		vCC

FIGURE 1. Terminal connections.