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参数资料
| 型号： | LC7851E |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | QFP-64 |
| 文件页数： | 7/9页 |
| 文件大小： | 165K |
| 代理商： | LC7851E |
No. 5691-7/9
LC7851E
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
SCL frequency
fSCL
100
kHz
Bus release time
TBUF
4.7
s
Start hold time
THD STA
4.0
s
SCL low time
TLOW
4.7
s
SCL high time
THIGH
4.0
s
Data hold time
THD DAT
0
ns
Data setup time
TSU DAT
250
ns
Rise time
TR
1000
ns
Fall time
TF
300
ns
Stop setup time
TSU STO
4.0
s
I2C Bus Interface at Ta = –20 to +75°C, VDD = 4.5 to 5.5 V, GND = 0 V
S: Start condition
P: Stop condition
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Clock pulse width
TCK2M
244
ns
BSTRO pin output delay time
TBSDL
15
ns
DSTRO pin output delay time
TDSDL
15
ns
BSTRI and DSTRI1 two-pin input setup time
TBSST
10
ns
Descrambler Interface at Ta = –20 to +75°C, VDD = 4.5 to 5.5 V, GND = 0 V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Reset time
TRST
TSL pin high; The LC7851E must be used
200
ms
with the TSL pin (pin 13) high.
The LC7851E must be reset with the following timing when power is first applied.
Reset Timing at Power on at Ta = –20 to +75°C, VDD = 4.5 to 5.5 V, GND = 0 V
Recommended Crystal Oscillator Constants
Pin I/O Circuit
Supplier
Oscillator element
Cin/Cout
Citizen Watch Co., Ltd.
CSA-309
5pF
(22.909088 MHz)
(Cin = Cout)
Pin 30
Pin 31
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