Z8E520 Datasheet, PDF (12/43 Pages) Zilog, Inc. – 1.5 MBPS USB Device Controller

Z8E520/C520
1.5 MBPS USB Device Controller
AC ELECTRICAL CHARACTERISTICS
Timing Diagram
Zilog
CLOCK
1
3
IRQ_N
2
2
3
8
9
Timing Table
Figure 6. AC Electrical Timing Diagram
No Symbol
Parameter
1
TpC
2
TrC,TfC
3
TwC
4
TwTinL
5
TwTinH
6
TpTin
7
TrTin
8
TwIL
9
TwIH
10 Twsm
11 Tost
12 Twdt
13 D+, D–
14 POR
15 TrC
Input Clock Period
Clock Input Rise & Fall Times
Input Clock Width
Timer Input Low Width
Timer Input High Width
Timer Input Period
Timer Input Rise & Fall Timer
Int. Request Low Time
Int. Request Input High Time
Stop-Mode Recovery Width Spec
Oscillator Start-Up Time
Watch-Dog Timer
Differential Rise and Fall Times (USB Mode)
Power supply; POR rate/Volt level
RC Clock Period (internal)
Notes:
1. Timing Reference uses 0.7 V_CC for a logic 1 and 0.2 V_CC for a logic 0.
2. Interrupt request
3. See USB Specification 7.1.1.2
4. Corresponds to frequencies of 80 KHz to 20 KHz
T_A = 0°C to +70°C
6 MHz
Min
Max
83
DC
5
37
70
2.5TpC
4TpC
100
70
3TpC
100TpC
0.5
1000
70
300
12.5
50
Units
ns
ns
ns
ns
ns
ns
ns
ms
ms
nS
µsec
Notes
1
1
1
1
1
1
1
1,2
1,2
3
4
12
PRELIMINARY
DS97KEY2005