參數(shù)資料
型號: ISP1561BM,557
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-420-1, LQFP-128
文件頁數(shù): 91/103頁
文件大?。?/td> 457K
代理商: ISP1561BM,557
ISP1561_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 5 March 2007
88 of 103
NXP Semiconductors
ISP1561
HS USB PCI Host Controller
16. Dynamic characteristics
[1]
Suggested values for external capacitors when using a crystal are 22 pF to 27 pF.
[2]
Recommended accuracy of the clock frequency is 50 ppm for the crystal and oscillator. The oscillator should have 3.3 V power supply.
[1]
All pins are 5 V tolerant.
[2]
The bus capacitance (CB) is specied in pF. To meet the specication for VOL and the maximum rise time (300 ns), use an external
pull-up resistor with Rmax = 850 / CB k and Rmin = (VDD 0.4) / 3 k.
[3]
Output fall time VIH to VIL.
[1]
All pins are 5 V tolerant.
[2]
Standard load is 10 pF together with a pull-up and pull-down resistor of 10 k
.
[3]
Output slew rate (rise, fall).
Table 129. Dynamic characteristics: system clock timing
VDD = 3.0 V to 3.6 V; Tamb = 40 °C to +85 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Crystal oscillator
fclk
clock frequency
12
-
MHz
oscillator
-
48
-
MHz
External clock input
δ
clock duty cycle
-
50
-
%
External clock input
J
external clock jitter
-
50
ppm
tCR
rise time
-
3
ns
tCF
fall time
-
3
ns
δclk
clock duty factor
-
50
-
%
ts
start-up time
-
5
10
ms
Table 130. Dynamic characteristics: I2C-bus interface (SDA and SCL)
VDD = 3.0 V to 3.6 V; Tamb = 40 °C to +85 °C; unless otherwise specied.[1]
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tf
fall time
10 pF < CB < 400 pF[2]
0
250
ns
Table 131. Dynamic characteristics: PCI interface block
VDD = 3.0 V to 3.6 V; Tamb = 40 °C to +85 °C; unless otherwise specied.[1]
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
SR
slew rate
standard load[2]
-
4
V/ns
Table 132. Dynamic characteristics: high-speed source electrical characteristics
VDD = 3.0 V to 3.6 V; Tamb = 40 °C to +85 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Driver characteristics
tHSR
rise time (10 % to 90 %)
500
-
ps
tHSF
fall time (10 % to 90 %)
500
-
ps
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