ST1480A Просмотр технического описания (PDF) - STMicroelectronics
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ST1480A
STMicroelectronics
ST1480A Datasheet PDF : 16 Pages
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ST1480A
DRIVER SWITCHING CHARACTERISTICS
VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
DR Maximum Data Rate
tDD Differential Output Delay
tTD Differential Output
Transition Time
tPLH Propagation Delay
tPHL
tPDS |tPLH - tPHL| Propagation
Delay Skew (Note2)
tPZL Output Enable Time
tPZH Output Enable Time
tPHZ Output Disable Time
tPLZ Output Disable Time
tSKEW Differential Output Delay
Skew
tZH(SHDN) Driver Enable from
Shutdown to Output High
tZL(SHDN) Driver Enable from
Shutdown to Output Low
RL= 60Ω
RL= 60Ω
RL= 27Ω
RL= 27Ω
RL= 110Ω
RL= 110Ω
RL= 110Ω
RL= 110Ω
CL = 15pF, (Figures 4,5)
CL = 15pF, (Figures 4,5)
CL = 15pF, (Figures 8,9)
CL = 15pF, (Figures 8,9)
(Figures 10,11)
(Figures 6,7)
(Figures 6,7)
(Figures 10,11)
12
15
Mbps
18
30
ns
12
20
ns
18
30
ns
2
5
ns
19
35
ns
30
50
ns
19
35
ns
30
50
ns
1
3
ns
30
50
ns
19
35
ns
RECEIVER SWITCHING CHARACTERISTICS
VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
tPLH Propagation Delay
tPHL
tRPDS |tPLH - tPHL| Propagation
Delay Skew
tPZL Output Enable Time
tPZH Output Enable Time
tPHZ Output Disable Time
tPLZ Output Disable Time
tZH(SHDN) Receiver Enable from
Shutdown to Output High
tZL(SHDN) Receiver Enable from
Shutdown to Output Low
VID = 0V to 3VCL1 = 15pF, (Figures 12,13)
VID = 0V to 3VCL1 = 15pF, (Figures 12,13)
CRL = 15pF
CRL = 15pF
CRL = 15pF
CRL = 15pF
CRL = 15pF
(Figures 14-18)
(Figures 14-18)
(Figures 14-18)
(Figures 14-18)
(Figures 14-18)
CRL = 15pF (Figures 14-18)
30
50
ns
1
3
ns
10
20
ns
10
20
ns
10
20
ns
10
20
ns
10
20
ns
20
40
ns
Note 1: ∆VOD and ∆VOC are the changes in VOD and VOC, respectively, when the DI input changes state.
Note 2: measured on |tPLH(A)-tPHL(A)| and |tPLH(B)-tPHL(B)|
Note 3: The transceivers are put into shutdown by bring RE high and DE low. If the input are in state for less than 80ns, the part are guaren-
teed not to enter shutdown. If the inputs are in this state for at least 300ns, the parts are guarenteed to have entered shutdown.
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