LT1460A-10 Просмотр технического описания (PDF) - Linear Technology
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LT1460A-10 Datasheet PDF : 24 Pages
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LTC2753
TIMING CHARACTERISTICS
otherwise specifications are at TA = 25°C.
SYMBOL PARAMETER
t17
UPD Valid to I/O Propagation Delay
t18
D/S Valid to READ Rising Edge
t19
READ Rising Edge to UPD Rising Edge
t20
UPD Falling Edge to READ Falling Edge
t22
READ Falling Edge to UPD Rising Edge
t23
I/O Bus Hi-Z to READ Rising Edge
t24
READ Falling Edge to I/O Bus Active
CLR Timing
t25
CLR Pulse Width Low
The ● denotes specifications that apply over the full operating temperature range,
CONDITIONS
CL = 10pF
(Note 10)
No Update
No Update
(Note 10)
(Note 10)
(Note 10)
MIN TYP MAX UNITS
●
26
ns
●
7
ns
●
0
ns
●
0
ns
●
7
ns
●
0
ns
● 20
ns
● 15
ns
VDD = 2.7V to 3.3V
Write and Update Timing
t1
I/O Valid to WR Rising Edge Set-Up
t2
I/O Valid to WR Rising Edge Hold
t3
WR Pulse Width Low
t4
UPD Pulse Width High
t5
UPD Falling Edge to WR Falling Edge
t6
WR Rising Edge to UPD Rising Edge
t7
D/S Valid to WR Falling Edge Set-Up Time
t8
WR Rising Edge to D/S Valid Hold Time
t9
A1-A0 Valid to WR Falling Edge Setup Time
t10
WR Rising Edge to A1-A0 Valid Hold Time
t11
A1-A0 Valid to UPD Rising Edge Setup Time
t12
UPD Falling Edge to A1-A0 Valid Hold Time
Readback Timing
t13
WR Rising Edge to Read Rising Edge
t14
Read Falling Edge to WR Falling Edge
t15
Read Rising Edge to I/O Propagation Delay
t26
A1-A0 Valid to READ Rising Edge Setup Time
t27
READ Falling to A1-A0 Valid Hold Time
t17
UPD Valid to I/O Propagation Delay
t18
D/S Valid to Read Rising Edge
t19
Read Rising Edge to UPD Rising Edge
t20
UPD Falling Edge to Read Falling Edge
No Data Shoot-Through
(Note 10)
(Note 10)
CL = 10pF
(Note 10)
CL = 10pF
(Note 10)
No Update
No Update
● 15
● 15
● 30
● 30
●
0
●
0
●
7
●
7
●
7
●
0
● 15
● 15
● 10
● 35
●
● 35
●
0
●
● 12
●
0
●
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
53
ns
ns
ns
43
ns
ns
ns
ns
2753f
5
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