MIL-M-38510-319 Microcircuits, Digital, Low-Power Schottky Ttl, 4 By 4 Register File, Cascadable, Monolithic SiliconThis specification covers the detail requirements for monolithic silicon, Schottky TTL, low-power, 4 by 4 register file 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 For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.3.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-38510/319C

Pin number	Pin identification Device types 01 and 02
Pin number	Case 2	Case E, F
1	NC	Data D2
2	Data D2	Data D3
3	Data D3	Data D4
4	Data D4	Read Select RB
5	Read Select RB	Read Select RA
6	NC	Output Q4
7	Read Select RA	Output Q3
8	Output Q4	GND
9	Output Q3	Output Q2
10	GND	Output Q1
11	NC	Read Enable GR
12	Output Q2	Write Enable GW
13	Output Q1	Write Select WB
14	Read Enable GR	Write Select WA
15	Write Enable GW	Data D1
16	NC	vCC
17	Write Select WB
18	Write Select WA
19	Data D1
20	vCC

FIGURE 1. Terminal connections.