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EM78P259NSO14J 参数 Datasheet PDF下载

EM78P259NSO14J图片预览
型号: EM78P259NSO14J
PDF下载: 下载PDF文件 查看货源
内容描述: [EM78Q153SN EM78P153SP EM78P153SN EM78156EH EM78156EP EM78156EM EM78156EKM EM78Q156ELP EM78Q156ELM EM78Q156ELKM EM78P156ELP EM78P156ELM EM78P156ELKM EM78P156NP EM78P156NM EM78447SH EM78447SAP EM78447SAM EM78447SAS EM78447SBP EM78447SBWM EM78Q447SH EM78Q447SAP EM78Q447SAM EM78Q447SBP EM78Q447SBWM EM78P447SAP EM78P447SAM EM78P447SAS EM78P447SBP EM78P447SBWM EM78Q257 EM78Q257AP EM78Q257AM EM78Q257BP EM78Q257BM EM78P257AP EM78P257AM EM78P257BP EM78P257BM EM78451H EM78451P EM78451AQ EM]
分类和应用:
文件页数/大小: 81 页 / 2574 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78P258N  
8-Bit Microprocessor with OTP ROM  
9 AC Electrical Characteristic  
(Ta=25 °C, VDD=5V±5%, VSS=0V)  
Symbol  
Parameter  
Conditions  
Min  
45  
Typ  
Max  
55  
Unit  
%
Dclk  
Input CLK duty cycle  
50  
Crystal type  
RC type  
100  
DC  
DC  
ns  
Instruction cycle time  
(CLKS="0")  
Tins  
500  
ns  
Ttcc  
TCC input period  
(Tins+20)/N*  
11.3  
ns  
Tdrh  
Trst  
Device reset hold time  
/RESET pulse width  
Watchdog timer period  
Input pin setup time  
Input pin hold time  
Output pin delay time  
ERC delay time  
Ta = 25°C  
Ta = 25°C  
Ta = 25°C  
16.2  
21.6  
21.6  
ms  
ns  
2000  
Twdt  
Tset  
11.3  
16.2  
0
ms  
ns  
Thold  
Tdelay  
Tdrc  
15  
45  
1
20  
50  
3
25  
55  
5
ns  
Cload=20pF  
ns  
Ta = 25°C  
ns  
NOTE: 1. N = selected prescaler ratio  
2. Twdt1: The Option word1 (WDTPS) is used to define the oscillator set-up time. WDT timeout  
length is the same as set-up time (18ms).  
3. Twdt2: The Option word1 (WDTPS) is used to define the oscillator set-up time. WDT timeout  
length is the same as set-up time (4.5ms).  
4. These parameters are hypothetical (not tested) and are provided for design reference only.  
5. Data under minimum, typical, & maximum (Min, Typ, & Max) columns are based on hypothetical  
results at 25. These data are for design reference use only.  
6. The Watchdog timer duration is determined by code option Word1 (WDTPS).  
70 •  
Product Specification (V1.0) 06.16.2005  
(This specification is subject to change without further notice)  
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