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参数资料
| 型号： | PCF1175CT/F2,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC LCD CAR CLOCK 4DIGIT 28SOIC |
| 标准包装： | 27 |
| 显示器类型： | LCD |
| 配置： | 7 段显示 |
| 数字或字符： | 4 位数字 |
| 电流 - 电源： | 950µA |
| 电源电压： | 3 V ~ 6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SO |
| 包装： | 管件 |
| 其它名称： | 568-5745 935074810112 PCF1175CT/F2,112-ND PCF1175CTD PCF1175CTD-ND |
Philips Semiconductors
4-digit duplex LCD car clock
Product speci?cation
PCF1175C
The number (n) is stored in a non-volatile memory which is achieved by the following steps (see Fig.6):
1. Set SEL to V SS and a level of V DD ? 5 V to V PP
2. The quartz-frequency deviation ? f/f is measured and (n) is calculated (see Table 1)
3. A first pulse t E is applied to the DATA input clears the EEPROM to give the highest backplane frequency
4. The calculated pulses (n) are entered in (t H , t L ). If the maximum backplane period is reached and an additional pulse
is applied the period will return to the lowest value.
5. The backplane period is controlled and when correct fixed by applying the store pulse t W
6. Release SEL and V PP .
Table 1
Time calibration ( ? t = 7.63 μ s; SEL at V SS )
OSCILLATOR-FREQUENCY DEVIATION
? f/f
( × 10 ? 6 )
0
+3.8
+7.6
+11.4
.
.
.
+117.8
1997 Apr 16
NUMBER OF PULSES
(n)
0
1
2
3
.
.
.
31
7
BACKPLANE PERIOD
(ms)
15.625
15.633
15.641
15.648
.
.
.
15.861
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCF1175CU | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-digit duplex LCD car clock |
| PCF1175CU/10 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-digit duplex LCD car clock |
| PCF1178C | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-digit duplex LCD car clock |
| PCF1178CT | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-digit duplex LCD car clock |
| PCF1178CT,112 | 功能描述:LCD 驱动器 4 DIG DUPLX LCD CLCK RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
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