2001-2012 Microchip Technology Inc. DS21431C-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
Operating Voltage Range 4.5 5 5.5 V
I
DD
Supply Current — 0.8 1.5 mA
Input Characteristics
V
IL
Low Input Voltage — — 0.8 V
V
IH
High Input Voltage 2.0 — — V
I
IL
Input Leakage Current — — 10 A
I
PD
Pull-down Current (CE)—5— A
I
PU
Pull-up Current (READ, LOAD) — 5 — A
Output Characteristics (I
OUT
= 250 A, V
DD
= 5V)
V
OL
Low Output Voltage — 0.2 0.3 V
V
OH
High Output Voltage 3.5 4.3 — V
T
R
, T
F
C
L
= 10pF, Rise/Fall Times — — 250 nsec
Oscillator (OSC
IN
, OSC
OUT
)
F
XTL
Crystal Frequency — 1.0 4.0 MHz
F
OSC
External Frequency (OSC
IN
)—— 6.0MHz
Timing Characteristics
T
RD
READ Delay Time 250 — — nsec
T
RS
Data Read Setup Time 1 — — sec
T
DRS
D
CLK
to D
OUT
Delay 450 — — nsec
T
LS
LOAD Setup Time 1 — — sec
T
DLS
Data Load Setup Time 50 — — nsec
T
PWL
D
CLK
Pulse Width Low Time 150 — — nsec
T
PWH
D
CLK
Pulse Width High Time 150 — — nsec
T
LDL
Load Default Low Time 250 — — nsec
T
LDS
Load Default Setup Time 250 — — nsec
Parameter
T
IZ
Integrator ZERO Time — 0.5 — msec
T
AZI
Auto zero (RESET) Time at Power-Up — 100 — msec
