Information

 2001 Microchip Technology Inc. DS80061C-page 13
PIC16C773
9. The 12-bit A/D module requires some new tim-
ing specifications for the A/D clock period (mini-
mum T
AD time). These new specifications are for
when the reference voltage for the A/D is
selected as either the VRH or VRL reference
voltage. The new specifications are shown in
bold in Table 8.
TABLE 8: DC SPECIFICATION CHANGES FROM DATA SHEET
10. The output voltage specification in the DC Char-
acteristics section has been modified to the val-
ues shown in Table 9. The new values are
shown in bold.
TABLE 9: DC SPECIFICATION CHANGES FROM DATA SHEET
Parm
No.
Sym Characteristic
New
Specification
Data Sheet
Specification
Units Condition
Min Typ Max Min Typ Max
130 T
AD A/D Clock
Period
Clock from FOSC 1.6 ——1.6 —— µsVREF ≥ 2.5V
TBD ——TBD —— µsV
REF full range
12.8 ——N.A. N.A. N.A. µs VRH or VRL used as
A/D reference voltage,
V
DD = 5.0V
Clock from
internal A/D
RC oscillator
ADCS<1:0> = 11
3.0 6.0 9.0 3.0 6.0 9.0 µsV
DD = 2.5V
2.0 4.0 6.0 2.0 4.0 6.0 µsV
DD = 5.0V
16 32 48 N.A. N.A. N.A. µs VRH or VRL used as
A/D reference voltage,
V
DD = 5.0V
Param
No.
Characteristic Symbol
New Specification
Data Sheet
Specification
Units
Min Typ Max Min Typ Max
D400 Output Voltage VRL 1.9 2.0 2.2 2.0 2.048 2.1 V
VRH 4.0 4.1 4.3 — 4.096 4.2 V