参数资料
型号: BU21023MUV-E2
厂商: Rohm Semiconductor
文件页数: 13/22页
文件大小: 0K
描述: IC CTLR TOUCH PANEL 28VQFN
特色产品: Resistive Touchscreen Controller Ics
标准包装: 1
类型: 电阻
触摸面板接口: 4,2 线
输入数/键: 1 TSC
分辨率(位): 8 b
评估套件: *
数据接口: I²C,串行,SPI?
电源电压: 1.8V,3V
电流 - 电源: 4mA
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-VFQFN 裸露焊盘
供应商设备封装: 28-QFN
包装: 标准包装
其它名称: BU21023MUV-E2DKR
20
COMMERCIALTEMPERATURERANGE
IDT72V70810 3.3V TIME SLOT INTERCHANGE
DIGITAL SWITCH 1,024 x 1,024
DS
CS
VALID WRITE ADDRESS
A0-A7
tCSS
tCSH
R/
W
tRWS
tRWH
tADS
tADH
VALID WRITE
DATA
AD0-AD7/
D8-D15
tDSW
tDHW
DTA
tAKD
tAKH
tCSS
tCSH
tRWS
tRWH
VALID READ ADDRESS
tADS
tADH
VALID READ DATA
tDDR
tDHR
tAKD
tAKH
5710 drw14
Figure 14. Motorola Non-Multiplexed Asyncronous Bus Timing
AC ELECTRICAL CHARACTERISTICS-MOTOROLA NON-MULTIPLEXED BUS MODE
Symbol
Parameter
Min.
Typ.
Max.
Units
Test Conditions
tCSS
CS Setup from DS falling
0
ns
tRWS
R/W Setup from DS falling
10
ns
tADS
Address Setup from DS falling
2
ns
tCSH
CS Hold after DS rising
0
ns
tRWH
R/W Hold after DS Rising
2
ns
tADH
Address Hold after DS Rising
2
ns
tDDR
Data Setup from DTA LOW on Read
2
ns
CL = 150pF
tDHR
Data Hold on Read
10
20
ns
CL = 150pF, RL = 1K
tDSW
Data Setup on Write (Fast Write)
5
ns
tSWD
Valid Data Delay on Write (Slow Write)
122
ns
tDHW
Data Hold on Write
5
ns
tAKD
Acknowledgment Delay:
Reading/WritingRegisters
43/43
ns
CL = 150pF
Reading/Writing Memory
220/210
ns
CL = 150pF
tAKH(1)
Acknowledgment Hold Time
22
ns
CL = 150pF, RL = 1K
NOTE:
1. High Impedance is measured by pulling to the appropriate rail with R
L, with timing corrected to cancel time taken to discharge CL.
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