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PCA1603 の電気的特性と機能

PCA1603のメーカーはNXP Semiconductorsです、この部品の機能は「32 kHz watch circuits with EEPROM」です。


製品の詳細 ( Datasheet PDF )

部品番号 PCA1603
部品説明 32 kHz watch circuits with EEPROM
メーカ NXP Semiconductors
ロゴ NXP Semiconductors ロゴ 




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PCA1603 Datasheet, PCA1603 PDF,ピン配置, 機能
INTEGRATED CIRCUITS
DATA SHEET
PCA16xx series
32 kHz watch circuits with
EEPROM
Product specification
Supersedes data of 1997 Apr 21
File under Integrated Circuits, IC16
1997 Dec 12

1 Page





PCA1603 pdf, ピン配列
Philips Semiconductors
32 kHz watch circuits with EEPROM
Product specification
PCA16xx series
PINNING
SYMBOL
VSS
TEST
OSC IN
OSC OUT
VDD
M1
M2
RESET
PIN DESCRIPTION
1 ground (0 V)
2 test output
3 oscillator input
4 oscillator output
5 positive supply voltage
6 motor 1 output
7 motor 2 output
8 reset input
VSS 1
8 RESET
TEST 2
7 M2
PCA16xxT
OSC IN 3
6 M1
OSC OUT 4
5 VDD
MSA973
Fig.1 Pin configuration, PCA16xxT, (PMFP8).
FUNCTIONAL DESCRIPTION AND TESTING
Motor pulse
The motor pulse width (tP) and the cycle times (tT) are
given in Chapter “Available types”.
Voltage level detector
The supply voltage is compared with the internal voltage
reference VLIT and VEOL every minute. The first voltage
level detection is carried out 30 ms after a RESET.
Lithium mode
If a lithium voltage is detected (VDD VLIT), the circuit will
operate in the lithium mode. The motor pulse will be
produced with a 75% duty factor.
Silver-oxide mode
If the voltage level detected is between VLIT and VEOL, the
circuit will operate in silver-oxide mode.
Battery end-of-life(1)
If the battery end-of-life is detected (VDD VEOL), the
motor pulse will be produced without chopping. To indicate
this condition, bursts of 4 pulses are produced every 4 s.
Power-on reset
For correct operation of the Power-on reset the rise time of
VDD from 0 V to 2.1 V should be less than 0.1 ms.
All resettable flip-flops are reset. Additionally the polarity of
the first motor pulse is positive: VM1 VM2 0 V.
Customer testing
An output frequency of 32 Hz is provided at RESET (pin 8)
to be used for exact frequency measurement. Every
minute a jitter occurs as a result of time calibration, which
occurs 90 to 150 ms after disconnecting the RESET from
VDD.
Connecting the RESET to VDD stops the motor pulses
leaving them in a HIGH impedance 3-state condition and a
32 Hz signal without jitter is produced at the TEST pin.
A debounce circuit protects accidental stoppages due to
mechanical shock to the watch (tDEB = 14.7 to 123.2 ms).
Connecting RESET to VSS activates Tests 1 and 2 and
disables the time calibration.
Test 1, VDD > VEOL. Normal function takes place except
the voltage detection cycle (tV) is 125 ms and the cycle
time tT1 is 31.25 ms. At pin TEST a minute signal is
available at 8192 times its normal frequency.
Test 2(2), VDD < VEOL. The voltage detection cycle (tV) is
31.25 ms and the motor pulse period (tT2) = 31.25 ms.
Test and reset mode are terminated by disconnecting the
RESET pin.
Test 3, VDD > 5.1 V. Motor pulses with a time period of
tT3 = 31.25 ms and n × 122 µs are produced to check the
contents of the EEPROM. At pin TEST the motor pulse
period signal (tT) is available at 1024 times its normal
frequency. The circuit returns to normal operation when
VDD < 2.5 V between two motor pulses.
(2) Only applicable for types with the battery end-of-life detector.
(1) Only available for types with a 1 s motor pulse.
1997 Dec 12
3


3Pages


PCA1603 電子部品, 半導体
Philips Semiconductors
32 kHz watch circuits with EEPROM
Product specification
PCA16xx series
AVAILABLE TYPES
Refer to Fig.4 and to Chapters “Ordering information” and “Functional description and testing”.
SHORT
TYPE
NUMBER
DELIVERY
FORMAT(1)
PERIOD
tT
(s)
1601
1602
1603
1604
1605
1606
1607
U/10
T
U/7
U/10
U/7
U/10
U
1
1
20
5
5
10
5
1608
U
5
1611
1621
1622
1623
1624
U
U/7
U
U
U
1
20
1
20
12
1625
1626
1627
U/7
U
U/7
5
20
20
1628
1629
U
U/7
20
5
PULSE
WIDTH tP
(ms)
7.8
7.8
7.8
7.8
4.8
6.8
5.8
7.8
6.8
4.8
4.8
4.8
3.9
5.8
5.8
5.8
5.8
6.8
SPECIFICATIONS
DRIVE
(%)
EEPROM
BATTERY
EOL
REMARKS
DETECTION
100 yes
no
75 yes no
100 yes
no
75 yes no
75 yes no
100 yes
no
100 yes
75
no 1.5 V and
2.1 V Lithium
100 yes
75
no 1.5 V and
2.1 V Lithium
75 yes no
100 yes
no
100 yes yes
75 yes no
75 yes no 1.5 V and
56 2.1 V Lithium
75 yes no
100 yes
no
100 yes
75
no 1.5 V and
2.1 V Lithium
75 yes no
75 yes no
Note
1. U = Chip in trays; U/7 = chip with bumps on tape; U/10 = chip on foil.
T = SOT144-1.
1997 Dec 12
VM1 - M2
tT
2t T
MSA977
tP
Fig.4 Motor output waveform (normal operation).
6

6 Page



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