Renesas FP-144L Technické informace stáhnout pdf (Strana 31)

24.5

42.1

12.5

55.5

30.0

37.5

27.5

29.2

IC socket

(NQPACK144SD manufactured by

Tokyo Eletech Corporation)

User system

Spacer (φ6.0)

39.19

24.5

39.19

EV-chip unit

External bus trace unit

Pin 1

Unit: mm

Dimension and tolerance

Tolerance

±0.05

±0.10

±0.15

±0.20

±0.30

Dimension

Up to 1.2

1.3 to 2.0

2.1 to 5.0

5.1 to 10.0

10.1 or above

Figure 7 Resulting Dimensions after Connecting User System Interface Board (when

Connecting External Bus Trace Unit and EV-Chip Unit)

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 39 40

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Renesas FP-144L Technické informace Strana 31