CF5761 series
BLOCK DIAGRAM
6-stage
divider
5-stage
divider
4-stage
divider
4-stage
divider
XT
XTN
Motor output
control
T1
AI
Test control
Alarm pattern
control
O1
O2
Alarm input
control
Alarm output
control
Alarm pattern
select
Snooze input
control
SN
AO1 AO2 AO3
SEL
PAD DESCRIPTION and DIMENSIONS
Pad dimensions
Number
Name
I/O
Function
X [µm]
Y [µm]
1
2
3
4
5
6
7
8
9
O1
O2
O
O
–
Movement motor drive output 1 (CMOS output)
Movement motor drive output 2 (CMOS output)
Ground
155
155
155
155
155
351
583
1255
1255
1215
1023
835
567
155
155
155
166
399
VSS
AO2
AO1
AO3
SEL
XTN
XT
O
O
O
I
Alarm output 2
Alarm output 1
Alarm output 3
Alarm function select. Pull-down resistor built-in
O
I
Crystal oscillator output. Oscillator capacitance C built-in
D
Crystal oscillator input. Crystal connected between XT and XTN
Snooze input
Pull-down resistor built-in (CF5761CA, EA, HA)
Pull-up resistor built-in (CF5761LB, MB, NB)
10
11
SN
AI
I
I
1255
1255
587
821
Alarm input
Pull-down resistor built-in (CF5761CA, EA, HA)
Pull-up resistor built-in (CF5761LB, MB, NB)
12
13
T1
I/O
–
Test pin
Supply
1217
1029
1215
1215
VDD
SEIKO NPC CORPORATION —3
NPC [ NIPPON PRECISION CIRCUITS INC ]
