参数资料
| 型号： | PCA9507D,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 24B 8SOIC |
| 标准包装： | 100 |
| 接口： | I²C，SM 总线 |
| 输入/输出数： | 2 输入，2 输出 |
| 中断输出： | 无 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
| 其它名称： | 935285823112 PCA9507D PCA9507D-ND |
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 = 40 °Cto+85 °C; unless otherwise specied.
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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