Function Table B:

Display

Mode

Time Setting

Input Pin

Function

FAST

Minutes contents advance at a 60Hz (Note 3) rate.

Real Time

SLOW

Minutes contents advance at a 2Hz rate.

Display

BOTH

Minutes contents advance at a 60Hz (Note 3) rate.

FAST

Minutes contents advance at a 60Hz (Note 3) rate.

Alarm

SLOW

Minutes contents advance at a 2Hz rate.

Display

BOTH

AM 12:00 is set when in the 12–hour display mode.

0:00 is set when in the 24–hour display mode.

FAST

00 seconds is set. No carry to minutes is generated.

Seconds

SLOW

Seconds counting is stopped (Held).

Display

BOTH

(When in the 12–hour display mode) the real time counter is set to AM 12:00.

(When in the 24–hour display mode) the real time counter is set to 0:00.

FAST

Minutes contents advance at a 60Hz (Note 3) rate.

Sleep

Display

SLOW

Minutes contents advance at a 2Hz rate.

Display

BOTH

Minutes contents advance at a 60Hz (Note 3) rate.

Note 3. For 50Hz use, 50Hz shall apply.

Note 4. Both means that 2 input pins of FAST and SLOW are set to “H”.

Pin Connection Diagram

Hrs c

PM Output

Hrs a

Hrs g

Hrs f

Hrs b

Slow Set Input

Hrs d

12/24 Hr Select

10 Hrs b & c

1

2

3

4

5

6

7

40

39

38

36

35

8

33

Hrs e

Second Display Input

9

32

10 Mins g

Sleep Display Input

11

30

29

Mins–d

Mins f

10 Mins b

10Mins e

Alarm Output

10 Mins c

13

14

15

28

16

25

Mins g

Snooze Input

17

24

Mins b

Mins–c

19

22

20

21

AM Output

Mins e

Note: N.C. pin must not be used for external connection such as a relay point.

Pin 37 is Blanking Input on the NTE2061