st52t430 STMicroelectronics, st52t430 Datasheet - Page 74

• Manufacturer Part Number: st52t430
• Description: 8-bit Intelligent Controller Unit Icu Three Timer/pwms, Adc, Sci
• Manufacturer: STMicroelectronics

12.6 Memory Characteristics
Subject to general operating conditions for V
Table 12.9 RAM and Registers
Table 12.10 EPROM Program Memory
Notes:
1. Minimum V
into hardware registers (only in HALT mode). Guaranteed by construction, not tested in production.
2. Data is provided only as a guideline.
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W
Symbol
Symbol
t
ERASE
V
ERASE
t
RET
RM
DD
supply voltage without losing data stored into RAM (in HALT mode or under RESET) or
Data Retention
Data retention
Erase time
Parameter
Parameter
UV lamp
mode
1)
2)
from the device
window without
HALT mode (or
any interposed
placed 1 inch
Conditions
Conditions
wavelength
T
UV lamp is
A
RESET)
2537 A
Lamp
filters
=+55
DD
, f
C
osc
and T
A
Min.
Min.
1.6
, unless otherwise specified.
15
20
Typ.
Typ.
15
Max
Max
20
sec/cm
years
Watt,
Unit
min.
Unit
V
2)