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參數(shù)資料
| 型號： | PCA1625 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 32 kHz watch circuits with EEPROM |
| 中文描述： | 32千赫的EEPROM的手表電路 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大小： | 85K |
| 代理商： | PCA1625 |
1997 Dec 12
8
Philips Semiconductors
Product specification
32 kHz watch circuits with EEPROM
PCA16xx series
Notes
1.
2.
3.
Cycle time can be changed to one of the following values: 1, 5, 10, 12 or 20 s (see Chapter “Available types”).
Pulse width can be varied from 2 ms to 15.7 ms in steps of 1 ms (see Chapter “Available types”).
Duty factor is 1 : 32 and RESET = V
DD
or V
SS
.
Motor output
V
sat
R
sc
t
T
t
P
saturation voltage
Σ
(P + N)
short-circuit resistance
Σ
(P + N)
cycle time
pulse width
R
L
= 2 k
; T
amb
=
10 to +60
°
C
I
transistor
< 1 mA
150
200
200
300
mV
note 1
note 2
Oscillator
V
OSC ST
g
m
t
osc
f/f
starting voltage
transconductance
start-up time
frequency stability
1.2
6
15
1
0.05
×
10
6
10
15
0.3
×
10
6
12
18
V
μ
S
s
V
i(p-p)
≤
50 mV
V
DD
= 100 mV
C
i
C
o
input capacitance
output capacitance
8
12
pF
pF
Voltage level detector
V
LIT
V
EOL
V
VLD
TC
VLD
t
V
threshold voltage
threshold voltage
hysteresis of threshold
temperature coefficient
voltage detection cycle
lithium mode
battery end-of-life
1.65
1.27
1.80
1.38
10
1
60
1.95
1.46
V
V
mV
mV/K
s
Reset input
f
o
V
o
t
edge
I
im
I
i(av)
output frequency
output voltage swing
edge time
peak input current
average input current
1.4
32
1
320
10
Hz
V
μ
s
nA
nA
R = 1 M
; C = 10 pF
R = 1 M
; C = 10 pF
note 3
Test mode
cycle time for motor pulses in:
test 1
test 2
test 3
debounce time
t
T1
t
T2
t
T3
t
DEB
125
31.25
ms
ms
see Chapter “Available types”
14.7
RESET = V
DD
123.2
ms
Battery end-of-life
t
EOL
t
E1
t
E2
end-of-life sequence
motor pulse width
time between pulses
4
t
P
31.25
s
ms
ms
see “Available types”
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相關代理商/技術參數(shù) |
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| PCA1625U/7 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:32 kHz watch circuits with EEPROM |
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