參數(shù)資料
型號(hào): ST52X420
廠商: 意法半導(dǎo)體
元件分類: ADC
英文描述: 8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Three Timer/PWMs, ADC, WDG
中文描述: 8位智能控制器病房(ICU)3個(gè)定時(shí)器/的PWM,ADC的,水分散粒劑
文件頁(yè)數(shù): 72/84頁(yè)
文件大?。?/td> 1274K
代理商: ST52X420
ST52T410/ST52T420/E420
72/84
11.6 Memory Characteristics
Subject to general operating conditions for V
DD
, f
osc
and T
A
, unless otherwise specified.
Notes:
1. Minimum V
DD
supply voltage without losing data stored into RAM (in HALT mode or under RESET) or
into hardware registers (only in HALT mode). Guaranteed by construction, not tested in production.
2. Data is provided only as a guideline.
Table 11.9 RAM and Registers
Symbol
Parameter
Conditions
Min.
Typ.
Max
Unit
V
RM
Data retention
mode
1)
HALT mode (or
RESET)
1.6
V
Table 11.10 EPROM Program Memory
Symbol
Parameter
Conditions
Min.
Typ.
Max
Unit
W
ERASE
UV lamp
Lamp
wavelength
2537 A
15
Watt,
sec/cm
2)
t
ERASE
Erase time
2)
UV lamp is
placed 1 inch
from the device
window without
any interposed
filters
7
15
min.
t
RET
Data Retention
T
A
=+55
°
C
20
years
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