ATA6660 데이터 시트보기 (PDF) - Atmel Corporation
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ATA6660 Datasheet PDF : 13 Pages
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8. Electrical Characteristics (Continued)
VCC = 4.75V to 5.25V; Tamb = –40°C to +125°C; RBus = 60Ω; unless otherwise specified.
All voltages referenced to ground (pin 2); positive input current.
No. Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
8 Timing Characteristics Normal Mode, VRS ≤ 0.3 × VCC (see Figure 8-1 on page 9)
8.1 Delay TXD to bus active VRS = 0V
td(TXD-BUS_ON)
120
180
8.2
Delay TXD to bus
inactive
VRS = 0V
td(TXD-BUS_OFF)
50
100
8.3
Delay TXD to RXD,
recessive to dominant
VRS = 0V
6, 7 td_activ(TXD-RXD)
200
420
8.4
Delay TXD to RXD,
dominant to recessive
VRS = 0V
td_inactiv(TXD-RXD)
180
460
Difference between
8.5
Delay TXD to RXD
dominant to Delay
recessive
tdiff = td_activ(TXD-RXD)
– td_inactiv(TXD-RXD)
tdiff
–280
80
9 Timing Characteristics Standby Mode VRS ≥ 0.87 × VCC
9.1
Bus dominant to RXD
low in Standby Mode
VRS = VCC
4
tdRxDL
300
450
Wake up time after
9.2
Standby Mode (time
delay between Standby
to Normal Mode and to
TXD = 0V
VRS from 0V to VCC
6, 7
Twake_up
2
bus dominant)
10 Standby/Normal Mode Selectable via RS (Pin 8)
10.1
Input voltage for Normal
Mode
VRS = VCC
8
VRS
0.3 × VCC
10.2
Input current for Normal
Mode
VRS = 0V
8
IRS
–700
10.3
Input voltage for
Standby Mode
8
Vstby
0.87 ×
VCC
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Unit
ns
ns
ns
ns
ns
ns
µs
V
µA
V
Type*
A
A
A
A
A
A
A
A
A
A
8 ATA6660
4582E–AUTO–02/08
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