ST485AD 데이터 시트보기 (PDF) - STMicroelectronics
부품명
상세내역
제조사
ST485AD Datasheet PDF : 12 Pages
| |||
ST485
DRIVER SWITCHING CHARACTERISTICS
(VCC = 5V ± 5%, TA = TMIN to TMAX , unless otherwise specified. Typical values are referred to TA = 25°C)
(See Note 1)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
tPLH
tPHL
tSK
tTLH
tTHL
tPZH
tPZL
tPLZ
tPHZ
Propagation Delay Input to
Output
Output Skew to Output
Rise or Fall Time
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
RDIFF = 54Ω
(See Fig. 3 and 5)
RDIFF = 54Ω
(See Fig. 3 and 5)
RDIFF = 54Ω
(See Fig. 3 and 5)
CL = 100pF
(See Fig. 4 and 6)
CL = 100pF
(See Fig. 4 and 6)
CL = 15pF
(See Fig. 4 and 6)
CL = 15pF
(See Fig. 4 and 6)
CL1 = CL2 = 100pF
CL1 = CL2 = 100pF
CL1 = CL2 = 100pF
S2 = Closed
S1 = Closed
S1 = Closed
S2 = Closed
10
30
70
ns
5
10
ns
3
15
45
ns
70
90
ns
70
90
ns
70
90
ns
70
90
ns
Note 1: All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are referenced to device ground
unless specified.
RECEIVER SWITCHING CHARACTERISTICS
(VCC = 5V ± 5%, TA = TMIN to TMAX , unless otherwise specified. Typical values are referred to TA = 25°C)
(See Note 1)
Symbol
Parameter
Test Conditions
tPLH
tPHL
tSKD
tPZH
tPZL
tPLZ
tPHZ
fMAX
Propagation Delay Input to
Output
Differential Receiver Skew
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
Maximum Data Rate
RDIFF = 54Ω
(See Fig. 3 and 7)
RDIFF = 54Ω
(See Fig. 3 and 7)
CRL = 15pF
(See Fig. 2 and 8)
CRL = 15pF
(See Fig. 2 and 8)
CRL = 15pF
(See Fig. 2 and 8)
CRL = 15pF
(See Fig. 2 and 8)
CL1 = CL2 = 100pF
CL1 = CL2 = 100pF
S1 = Closed
S2 = Closed
S1 = Closed
S2 = Closed
Min. Typ. Max. Unit
20
130 230
ns
13
ns
20
55
ns
20
55
ns
20
55
ns
20
55
ns
2.5
Mbps
Note 1: All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are referenced to device ground
unless specified.
4/12
Share Link: 