参数资料
| 型号： | AD8156ABCZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH XPT 4X4 W/EQ 49CSPBGA |
| 标准包装： | 1 |
| 系列： | XStream™ |
| 应用： | 4 x 4 交叉点开关 |
| 接口： | LVTTL，LVCMOS |
| 电源电压： | 3 V ~ 3.6 V |
| 封装/外壳： | 49-BGA，CSPBGA |
| 供应商设备封装： | 49-CSPBGA（8x8） |
| 包装： | 管件 |
| 安装类型： | 表面贴装 |
AD8156
Rev. 0 | Page 17 of 20
PROGRAMMING EXAMPLES
A[3:0]
D[3:0]
WE
UPD
06
30
5-
00
9
Figure 25. Sample Timing Diagram for 4x4 Mode Programming Examples
DUAL 2 × 2 MODE (MODE PIN = 1) PROGRAMMING EXAMPLES
Table 9. Dual 2 × 2 Mode Programming
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
D1
D0
Description
1
0
x
A[3] = 1 enables OUT3. D[3] = 0 connects IN2 to OUT3.
1
0
1
x
A[3] = 1 enables OUT3. D[3] = 1 connects IN3 to OUT3.
1
0
x
A[3:2] = b11 enables OUT2 and OUT3. D[3:2] = b00 connects IN2 to both OUT2 and OUT3.
1
0
1
0
x
A[3:2] = b11 enables OUT2 and OUT3. D[3:2] = b10 connects IN2 to OUT2 and connects IN3
to OUT3.
0
1
0
x
0
x
A[1] = 1 enables OUT1. D[1] = 0 connects IN0 to OUT1.
0
1
x
1
D[1:0] = b11 enables OUT0 and OUT1. D[1:0] = b11 connects IN1 to both OUT0 and OUT1.
1
0
1
0
1
A[3:0] = b1111 enables all outputs. D[3:0] = b0101 connects IN2 to OUT3, IN3 to OUT2, IN0 to
OUT1, IN1 to OUT0.
4 × 4 MODE (MODE PIN = 0) PROGRAMMING EXAMPLES
Table 10. Connectivity Programming, A[3:2] = b00
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
D1
D0
Description
0
1
0
A[1:0] = 0 selects OUT0. D2 = 1 enables OUT0. D[1:0] = 0 connects IN0 to OUT0.
0
A[1:0] = 0 selects OUT0. D2 = 0 disables OUT0. D[1:0] = 0 connects IN0 to OUT0.
0
1
0
1
0
1
A[1:0] = b10 selects OUT2. D2 = 1 enables OUT2. D[1:0] = b01 connects IN1 to OUT2.
0
1
0
1
0
A[1:0] = b11 selects OUT3. D2 = 1 enables OUT3. D[1:0] = b00 connects IN0 to OUT3.
Table 11. Output Level Programming, A[3:2] = b01
Address Pins
Data Pins
A3
A2
A1
A0
D3
D2
D1
D0
Description (Output Current = 2 mA + (2 mA × D[3:0])
0
1
0
1
0
A[1:0] = 0 selects OUT0. D[3:0] = b0100 sets OUT0 current to 2 mA + (2 mA × 4) = 10 mA.
0
1
0
1
0
A[1:0] = 0 selects OUT0. D[3:0] = b1000 sets OUT0 current to 2 mA + (2 mA × 8) = 18 mA.
0
1
0
1
0
1
A[1:0] = b10 selects OUT2. D[3:0] = b1101 sets OUT2 current to 2 mA + (2 mA × 13) = 28 mA.
0
1
0
A[1:0] = b11 selects OUT3. D[3:0] = b0000 sets OUT3 current to 2 mA + (2 mA × 0) = 2 mA.
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