PCF2120U 查看數據表（PDF） - NXP Semiconductors.
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PCF2120U Datasheet PDF : 14 Pages
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NXP Semiconductors
PCF2120
Quartz oscillator
11. Static characteristics
Table 5. Static characteristics
VDD = 1.5 V to 5.5 V; VSS = 0 V; Tamb = −40 °C to +85 °C; fosc = 32.768 kHz; quartz Rs = 40 kΩ; CL = 8 pF; unless otherwise
specified.
Symbol Parameter
Conditions
Min Typ Max
Unit
Supply
VDD
supply voltage
IDD
supply current
clock output disabled
Tamb = 25 °C
VDD = 5.0 V
VDD = 3.0 V
VDD = 2.0 V
Tamb = −40 °C to +85 °C
VDD = 5.0 V
VDD = 3.0 V
VDD = 2.0 V
clock output enabled at 32 kHz
[1] 1.5
-
5.5
V
-
300 550
nA
-
235 500
nA
-
210 450
nA
-
345 750
nA
-
265 650
nA
-
230 600
nA
[2]
Inputs
Tamb = 25 °C
VDD = 5.0 V
VDD = 3.0 V
VDD = 2.0 V
Tamb = −40 °C to +85 °C
VDD = 5.0 V
VDD = 3.0 V
VDD = 2.0 V
-
1310 1700
nA
-
845 1100
nA
-
615 900
nA
-
1385 1700
nA
-
875 1100
nA
-
635 900
nA
Pin OSCI
VI
input voltage
Pin CLKOE
−0.5 -
VDD + 0.5 V
VI
VIL
VIH
ILI
Outputs
input voltage
LOW-level input voltage
HIGH-level input voltage
input leakage current
VI = VDD or VSS
−0.5 -
-
-
0.7VDD -
−1
0
VDD + 0.5 V
0.3VDD V
-
V
+1
µA
Pin OSCO
VO
Pin CLKOUT
−0.5 -
VDD + 0.5 V
VO
output voltage
IOL
LOW-level output current VOL = 0.4 V; VDD = 5 V
IOH
HIGH-level output current VOH = 4.6 V; VDD = 5 V
ILO
output leakage current
VO = VDD or VSS
−0.5 -
−1
-
-
-
−1
0
VDD + 0.5 V
-
mA
1
mA
+1
µA
[1] For reliable oscillator start-up at power-up: VDD > VDD(min) + 0.3 V.
PCF2120_1
Product data sheet
Rev. 01 — 5 February 2008
© NXP B.V. 2008. All rights reserved.
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