参数资料
型号: LC74201E
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封装: QFP-128
文件页数: 11/21页
文件大小: 334K
代理商: LC74201E
2-2 Timing characteristics at Ta = +25
°C, DV
DD1 = 3.7 V
Note: The DO output pin uses N-channel open-drain output. The standard values for tpLH2 and tpHL2 are for an output load capacitance of 50 pF, an
external pull-up resistor of 2.7 k
, and an output level of 5 V
No. 5684-19/21
LC74201E
Parameter
Symbol
Conditions
Ratings
Unit
min
max
Minimum input pulse width
twH2
CL pin high level pulse width
180
ns
twL2
CL pin low level pulse width
180
ns
Clock rising time
tr3
CL pin
50
ns
Clock falling time
tf3
CL pin
50
ns
Data setup time
tsDI14
DI
→ CL pin
25
ns
Data hold time
thDI14
CL
→ CL pin
25
ns
CE setup time
tsCE1
CE pin
25
ns
CE hold time
thCE1
CE pin
25
ns
Data read-in time
tWT1
Serial data read- in time
180
ns
Data restart time
tWT2
Serial transfer restart time
360
ns
Single to word write time
tWRT2
DI and CL pins (1 word = 8 bits)
1.6
s
Single to word read time
tREAD2
DI and CL pins (1 word = 8 bits)
1.6
s
Data output propagation time
tPLH1
Serial data output high propagation time
150
ns
tPHL2
Serial data output low propagation time
55
ns
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