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2002 Microchip Technology Inc.
DS21431B-page 3
TC520A
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
DC Supply Voltage (V
DD
)....................................+6.0V
Input Voltage (All Inputs V
IN
):.... - 0.3V to (V
DD
+ 0.3V)
Operating Temperature Range (T
A
) .......... 0°C to 70°C
Storage Temperature Range..............-65°C to +150°C
*Stresses above those listed under "Absolute Maximum Rat-
ings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at
these or any other conditions above those indicated in the
operation sections of the specifications is not implied. Expo-
sure to Absolute Maximum Rating conditions for extended
periods may affect device reliability.
TC520A ELECTRICAL SPECIFICATIONS
Electrical Characteristics:
V
DD
= 5V, F
OSC
= 1MHz, T
A
= +25°C, unless otherwise specified.
Symbol
Parameters
Min
Typ
Max
Unit
Test Conditions
Supply
V
DD
I
DD
Operating Voltage Range
Supply Current
4.5
—
5
5.5
1.5
V
0.8
mA
Input Characteristics
V
IL
V
IH
I
IL
I
PD
I
PU
Output Characteristics (I
OUT
= 250
μ
A, V
DD
= 5V)
V
OL
Low Output Voltage
V
OH
High Output Voltage
T
R
, T
F
C
L
= 10pF, Rise/Fall Times
Oscillator (OSC
IN
, OSC
OUT
)
F
XTL
Crystal Frequency
F
OSC
External Frequency (OSC
IN
)
Timing Characteristics
T
RD
READ Delay Time
T
RS
Data Read Setup Time
T
DRS
D
CLK
to D
OUT
Delay
T
LS
LOAD Setup Time
T
DLS
Data Load Setup Time
T
PWL
D
CLK
Pulse Width Low Time
T
PWH
D
CLK
Pulse Width High Time
T
LDL
Load Default Low Time
T
LDS
Load Default Setup Time
Parameter
T
IZ
Integrator ZERO Time
T
AZI
Auto zero (RESET) Time at Power-Up
Low Input Voltage
High Input Voltage
Input Leakage Current
Pull-down Current (CE)
Pull-up Current (READ, LOAD)
—
2.0
—
—
—
—
—
—
5
5
0.8
—
10
—
—
V
V
μ
A
μ
A
μ
A
—
3.5
—
0.2
4.3
—
0.3
—
250
V
V
nsec
—
—
1.0
—
4.0
6.0
MHz
MHz
250
1
450
1
50
150
150
250
250
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
nsec
μ
sec
nsec
μ
sec
nsec
nsec
nsec
nsec
nsec
—
—
0.5
100
—
—
msec
msec