参数资料
型号: PCF8534AU/DA/1,026
厂商: NXP Semiconductors
文件页数: 34/52页
文件大小: 0K
描述: IC LCD DISPLAY DVR 60SEG
标准包装: 720
显示器类型: LCD
配置: 60 段
接口: I²C
电流 - 电源: 8µA
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 模具
供应商设备封装: 模具
包装: 托盘 - 晶粒
NXP Semiconductors
PCF8534A
Universal LCD driver for low multiplex rates
12. Dynamic characteristics
Table 20. Dynamic characteristics
V DD = 1.8 V to 5.5 V; V SS = 0 V; V LCD = 2.5 V to 6.5 V; T amb = ? 40 ? C to +85 ? C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Clock
Internal: output pin CLK
f osc
oscillator frequency
V DD = 5 V
960
1536
3046
Hz
External: input pin CLK
f clk(ext)
t clk(H)
t clk(L)
external clock frequency
HIGH-level clock time
LOW-level clock time
V DD = 5 V
797
130
130
1536
-
-
3046
-
-
Hz
? s
? s
Synchronization: input pin SYNC
t PD(SYNC_N)
t SYNC_NL
SYNC propagation delay
SYNC LOW time
-
1
30
-
-
-
ns
? s
Outputs: pins BP0 to BP3 and S0 to S59
t PD(drv)
driver propagation delay
V LCD = 5 V
-
-
30
? s
I 2 C-bus:
Pin SCL
timing [2]
f SCL
t LOW
t HIGH
SCL frequency
LOW period of the SCL clock
HIGH period of the SCL clock
-
1.3
0.6
-
-
-
400
-
-
kHz
? s
? s
Pin SDA
t SU;DAT
t HD;DAT
data set-up time
data hold time
100
0
-
-
-
-
ns
ns
Pins SCL and SDA
t BUF
bus free time between a STOP and
1.3
-
-
? s
START condition
t SU;STO
t HD;STA
t SU;STA
set-up time for STOP condition
hold time (repeated) START condition
set-up time for a repeated START
0.6
0.6
0.6
-
-
-
-
-
-
? s
? s
? s
condition
t r
t f
C b
t w(spike)
rise time of both SDA and SCL signals
fall time of both SDA and SCL signals
capacitive load for each bus line
spike pulse width
-
-
-
-
-
-
-
-
0.3
0.3
400
50
? s
? s
pF
ns
[1]
[2]
Typical output (duty cycle ? = 50 %).
All timing values are valid within the operating supply voltage and ambient temperature range and are referenced to V IL and V IH with an
input voltage swing of V SS to V DD .
PCF8534A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 25 July 2011
? NXP B.V. 2011. All rights reserved.
34 of 52
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