TC9457F Datasheet, PDF (11/15 Pages) Toshiba Semiconductor – Firmware Built In Digital Servo

TC9457F
V_DD (CD unit power supply)
Characteristics
Operating supply voltage
Operating supply current
Crystal oscillation frequency
Symbol
V_DD
I_DD
f_XT
Test
Circuit
Test Condition
Min Typ. Max
― MV_DD ≥ V_DD
(Note 5) 4.5
5.0
5.5
―
When 16.9344 MHz crystal
connected
―
50
60
―
Rout = 0 Ω, Ci = Co = 15 pF
(Note 5, 6)
― 16.9344
―
Unit
V
mA
MHz
Note 5: Guaranteed at V_DD = MV_DD = 4.5 to 5.5 V and Ta = −40 to 85°C
Note 6: Consider the crystal resonator used in your system when determining constants, etc.
LCD Common Output (COM1/OT1 to COM4/OT4)
Characteristics
Output current
High level
Low level
Symbol
I_OH2
I_OH5
I_OL2
I_OL5
Test
Circuit
Test Condition
V_OH = 4.5 V (When LCD
― output, settings OT output,
LEDon = 0)
―
V_OH = 4.5 V (Settings OT
output, LEDon = 1)
V_OL = 0.5 V (When LCD
― output, settings OT output,
LEDon = 0)
―
V_OL = 0.5 V (Settings OT
output, LEDon = 1)
Min Typ. Max Unit
−0.1 −0.2 ―
−20 −40
―
mA
0.1
0.2
―
4
10
―
Output voltage 1/2 level
V_BS
― Nonloaded (when LCD output) 2.1
2.3
2.5
V
Segment Output (S1/OT4 to S10/OT14, S11/OT15 to P8-0/S14 to P8-3/S18)
Characteristics
Output current
High level
Low level
Symbol
I_OH1
I_OH4
I_OL1
I_OL5
Test
Circuit
Test Condition
V_OH = 4.5 V
― (When LCD output, settings
OT output, LEDon = 0)
V_OH = 4.5 V
― (Settings OT output,
LEDon = 1, I/O port)
V_OL = 0.5 V
― (When LCD output, settings
OT output, LEDon = 0)
V_OL = 0.5 V
― (Settings OT output,
LEDon = 1, I/O port)
Min Typ. Max Unit
−0.05 −0.1 ―
−2
−4
―
mA
0.05 0.1
―
5
10
―
Input leakage current
Input voltage
High level
Low level
I_LI
―
V_IH = 5.0 V, V_IL = 0 V
(P8-0 to P8-3)
V_IH
― (P8-0 to P8-3)
V_IL
― (P8-0 to P8-3)
―
― ±1.0 µA
MV_DD
× 0.8
~
MV_DD
V
0
~
MV_DD
× 0.2
11
2002-10-21