isp1704a NXP Semiconductors, isp1704a Datasheet - Page 47

• Manufacturer Part Number: isp1704a
• Description: Ulpi Hi-speed Usb Transceiver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
14. Dynamic characteristics
Table 52.
V
Table 53.
V
Typical values refer to V
[1]
Table 54.
V
Typical values refer to V
ISP1704A_1
Product data sheet
Symbol
t
t
t
t
t
t
t
Symbol
f
t
t
t
Symbol
t
t
W(POR)
w(REG1V8_H)
w(REG1V8_L)
startup(PLL)
d(det)clk(osc)
PWRUP
PWRDN
i(CLKIN)
jit(i)(CLKIN)RMS
r(CLKIN)
f(CLKIN)
r
f
CC
CC
CC
i(CLKIN)
f
i(CLKIN)
= 3.0 V to 4.5 V; V
= 3.0 V to 4.5 V; V
The internal PLL is triggered only on the positive edge of the CLKIN input. Therefore, the duty cycle is not critical.
= 3.0 V to 4.5 V; V
Dynamic characteristics: reset and power
Dynamic characteristics: clock applied to pin CLKIN
Dynamic characteristics: reset and clock
Parameter
internal power-on reset pulse
width
REG1V8 HIGH pulse width
REG1V8 LOW pulse width
PLL start-up time
oscillator clock detector delay
regulator start-up time
regulator power-down time
Parameter
input frequency on pin CLKIN
RMS input jitter time on
pin CLKIN
input frequency variation on
pin CLKIN
input duty cycle on pin CLKIN
rise time on pin CLKIN
fall time on pin CLKIN
Parameter
rise time
fall time
CC(I/O)
CC(I/O)
CC(I/O)
CC
CC
= 3.6 V; V
= 3.6 V; V
= 1.65 V to 1.95 V; T
= 1.65 V to 1.95 V; T
= 1.65 V to 1.95 V; T
CC(I/O)
CC(I/O)
Conditions
CLOCK pin transitioning between
10 % to 90 % of V
load)
CLOCK pin transitioning between
90 % to 10 % of V
load)
= 1.8 V; T
= 1.8 V; T
Conditions
measured after t
measured from regulator
start-up time
4.7 F
each on pins REG1V8 and
REG3V3
4.7 F
each on pins REG1V8 and
REG3V3
Conditions
pin CFG1 = HIGH
pin CFG1 = LOW
for the first transaction
only for square wave input
only for square wave input
amb
amb
amb
Rev. 01 — 28 July 2008
amb
amb
= 40 C to +85 C; unless otherwise specified.
= 40 C to +85 C; unless otherwise specified.
= 40 C to +85 C; unless otherwise specified.
20 % capacitor
20 % capacitor
= +25 C; unless otherwise specified.
= +25 C; unless otherwise specified.
CC(I/O)
CC(I/O)
d(det)clk(osc)
(20 pF
(20 pF
[1]
Min
0.2
-
-
-
-
-
-
Min
-
-
-
-
-
-
-
Min
-
-
Typ
-
-
-
-
-
-
-
Typ
26.000
19.200
-
-
50
-
-
Typ
-
-
ULPI HS USB transceiver
ISP1704A
© NXP B.V. 2008. All rights reserved.
Max
-
2
11
640
640
1
100
Max
-
-
200
200
-
5
5
Max
4.0
4.4
Unit
ms
ms
Unit
MHz
MHz
ps
ppm
%
ns
ns
Unit
ns
ns
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