Datasheet

Electrical Specifications
Tables of Data
MC68HC912DT128A — Rev 4.0 Technical Data
MOTOROLA Electrical Specifications 427
Table 21-8. ATD Maximum Ratings
Characteristic Symbol Value Units
ATD reference voltage
V
RH
≤ V
DDA
V
RL
≥ V
SSA
V
RH
V
RL
−0.3 to +6.5
−0.3 to +6.5
V
V
V
SS
differential voltage |V
SS
−V
SSA
| 0.1 V
V
DD
differential voltage
V
DD
−V
DDA
V
DDA
−V
DD
6.5
0.3
V
V
Reference to supply differential voltage
V
DDA
−V
RH
V
RH
−V
DDA
V
DDA
−V
RL
V
RL
−V
DDA
6.5
0.3
6.5
0.3
V
Analog input differential voltage
V
DDA
−V
INDC
V
INDC
−V
DDA
6.5
0.3
V
Table 21-9. EEPROM Characteristics
V
DD
= 5.0 Vdc ±10%, V
SS
= 0 Vdc, T
A
= T
L
to T
H
, unless otherwise noted
Characteristic Symbol Min Max Unit
Minimum programming clock frequency
f
PROG
250K hz
Programming time
t
PROG
10 ms
Clock recovery time, following STOP, to continue programming
t
CRSTOP
t
PROG
+ 1
ms
Erase time
t
ERASE
10 ms
Write/erase endurance 10,000 cycles
Data retention
10
(1)
years
EEPROM Programming Maximum Time to ‘AUTO’ Bit Set — — 500 µs
EEPROM Erasing Maximum Time to ‘AUTO’ Bit Set — — 10 ms
1. Based on the average life time operating temperature of 70°C.
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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