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| 型號： | PCA9507DP,118 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 4/20頁 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 24B 8TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | I²C Bus Fundamentals |
| 特色產(chǎn)品： | NXP - I2C Interface |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 接口： | I²C，SM 總線 |
| 輸入/輸出數(shù)： | 2 輸入，2 輸出 |
| 中斷輸出： | 無 |
| 頻率 - 時鐘： | 400kHz |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-TSSOP |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | 568-5924-6 |
PCA9507_1
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 7 February 2008
12 of 20
NXP Semiconductors
PCA9507
2-wire serial bus extender for HDMI DDC I2C-bus and SMBus
[1]
LOW-level supply voltage.
[2]
VIL specication is for the rst LOW level seen by the SDAB/SCLB lines. VILc is for the second and subsequent LOW levels seen by the
SDAB/SCLB lines.
[3]
VIL for port A with envelope noise must be below 0.3VCC(A) for stable performance.
10. Dynamic characteristics
[1]
Times are specied with loads of 1.35 k
pull-up resistance and 57 pF load capacitance on port B, and 450 pull-up resistance and
57 pF load capacitance on port A. Different load resistance and capacitance will alter the RC time constant, thereby changing the
propagation delay and transition times.
[2]
Pull-up voltages are VCC(A) on port A and VCC(B) on port B.
[3]
Typical values were measured with VCC(A) = 3.3 V at Tamb =25 °C, unless otherwise noted.
[4]
The tPLH delay data from port B to port A is measured at 0.5 V on port B to 0.3VCC(A) on port A.
[5]
The proportional delay data from port A to port B is measured at 0.3VCC(A) on port A to 0.3VCC(B) on port B.
[6]
The enable pin, EN, should only change state when the global bus and the repeater port are in an idle state.
Enable
VIL
LOW-level input voltage
0.5
-
+0.3VCC(B) V
VIH
HIGH-level input voltage
0.7VCC(B) -
5.5
V
IIL(EN)
LOW-level input current on pin
EN
VI = 0.2 V, EN; VCC = 3.6 V
-
10
30
A
ILI
input leakage current
VI =VCC
1-
+1
A
Ci
input capacitance
VI = 3.0 V or 0 V
-
6
7
pF
Table 5.
Static characteristics …continued
VCC =2.7 V to 5.5 V; GND=0V; Tamb
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 6.
Dynamic characteristics
Symbol
Parameter
Conditions
Min
Typ[3]
Max
Unit
tPLH
LOW-to-HIGH propagation delay
port B to port A; Figure 15
[4] 90
165
350
ns
tPHL
HIGH-to-LOW propagation delay
port B to port A; Figure 13
55
91
180
ns
tTLH
LOW to HIGH output transition time
port A; Figure 13
22
48
80
ns
tTHL
HIGH to LOW output transition time
port A; Figure 13
20
42
100
ns
tPLH
LOW-to-HIGH propagation delay
port A to port B; Figure 14
[5] 140
218
310
ns
tPHL
HIGH-to-LOW propagation delay
port A to port B; Figure 14
[5] 130
91
330
ns
tTLH
LOW to HIGH output transition time
port B; Figure 14
100
173
260
ns
tTHL
HIGH to LOW output transition time
port B; Figure 14
20
39
100
ns
tsu
set-up time
EN HIGH before START condition
[6] 100
-
ns
th
hold time
EN HIGH after STOP condition
[6] 100
-
ns
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| PCA9507DP-T | 功能描述:接口-信號緩沖器、中繼器 LEVEL TRANSL I2C BUS REPEATER RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel |
| PCA9507D-T | 功能描述:接口-信號緩沖器、中繼器 LEVEL TRANSL I2C BUS REPEATER RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel |
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| PCA9508D | 功能描述:接口-信號緩沖器、中繼器 HOTSWAP LVTTL I2C-BUS REPEATER RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel |
| PCA9508D,112 | 功能描述:接口-信號緩沖器、中繼器 HOTSWAP LVTTL RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel |
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