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參數(shù)資料
| 型號(hào)： | PCA9517D |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 其它接口 |
| 英文描述： | H 1/14D RED BD |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PDSO8 |
| 封裝： | 3.90 MM, PLASTIC, MS-012, SOT-96-1, SOP-8 |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 107K |
| 代理商： | PCA9517D |
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Philips Semiconductors
Product data sheet
PCA9517
Level translating I
2
C-bus repeater
2004 Oct 05
8
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
MIN.
100
TYP.
170
80
7
MAX.
250
t
PLH
t
PHL
Propagation delay, B to A side
Waveform 3; Note 3
V
CCA
≤
2.7 V; Waveform 1
V
CCA
≥
3 V; Waveform 1
Waveform 2
V
CCA
≤
2.7 V; Waveform 2
V
CCA
≥
3 V; Waveform 2
Waveform 2; Note 2
ns
Propagation delay, B to A side
30
110
ns
10
66
300
ns
t
TLH
t
THL
Transition time, A side
10
20
77
7
30
ns
Transition time, A side
1
105
ns
20
70
175
ns
t
PLH
t
PHL
t
TLH
t
THL
t
SET
t
HOLD
NOTES:
1. Times are specified with loads of 1.35 k
pull-up resistance and 57 pF load capacitance on the B side and 167
pull-up and 57 pF load
capacitance on the A side. Different load resistnace and capacitance will alter the RC time constant, thereby changing the propagation delay
and transition times.
2. The proportional delay data from A to B side is measured at 0.3V
CCA
on the A side to 1.5 V on the B side.
3. The t
PLH
delay data from B to A side is measured at 0.5 V on the B side to 0.5V
CCA
on the A side when V
CCA
is less than 2 V, and 1.5 V on
the A side if V
CCA
is greater than 2 V.
4. Pull-up voltages are V
CCA
on the A side and V
CCB
on the B side.
5. Typical values were measured with V
CCA
= 3.6 V at T
amb
= 25
°
C, unless otherwise noted.
6. The enable pin, EN, should only change state when the global bus and the repeater port are in an idle state.
7. Typical value measured with V
CCA
= 2.7 V at T
amb
= 25
°
C.
Propagation delay, A to B side
25
53
110
ns
Propagation delay, A to B side
Waveform 2; Note 2
60
79
230
ns
Transition time, B side
Waveform 1
120
140
170
ns
Transition time, B side
Waveform 1
30
48
90
ns
Enable HIGH before Start condition
Note 6
100
–
–
ns
Enable HIGH after Stop condition
Note 6
100
–
–
ns
AC WAVEFORMS
3.3 V
0.1 V
1.5 V
1.5 V
INPUT
OUTPUT
1.2 V
V
OL
t
PHL
t
PLH
80%
20%
0.6 V
0.6 V
20%
80%
t
THL
t
TLH
SW02169
Waveform 1.
0.3V
CCA
INPUT
OUTPUT
3.3 V
80%
20%
1.5 V
1.5 V
80%
20%
SW02170
0.3V
CCA
V
CCA
V
CCA
Waveform 2.
t
PLH
50 % if V
CCA
is less than 2 V
1.5 V if V
CCA
is greater than 2 V
0.5 V
INPUT
SDAB, SCLB
OUTPUT
SCLA, SDAA
SW02341
Waveform 3.
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| PCA9517D,112 | 功能描述:轉(zhuǎn)換 - 電壓電平 LEVEL TRANSL I2C BUS RoHS:否 制造商:Micrel 類(lèi)型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
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