W921E400A Datasheet, PDF (39/53 Pages) Winbond – 4-BIT MICROCONTROLLER

W921E400A/W921C400
W921C400 MASK ROM TYPE
(VDD−VSS = 3.0V, FOSC = 4.0 MHz, TA = 25° C, all outputs unloaded)
PARAMETER
SYM.
CONDITIONS
Operating Voltage
VDD
4 MHz
2 MHz
400 KHz
Operating Current
IOP
4 MHz
(Active Mode)
VDD = 3V
2 MHz
(Analog all off)
400 KHz
4 MHz
VDD = 5V
2 MHz
400 KHz
Hold Mode Current
(Analog all off)
IHM1 VDD = 3V, FOSC = 4 MHz
VDD = 5V, FOSC = 4 MHz
Stop Mode Current
ISM
VDD = 3V
VDD = 5V
Input High Voltage
VIH
−
Input Low Voltage
VIL
−
Pull-high Resistor
(P2, P4, P6, PA, PB, PC, PD)
Output High Voltage
RPH VDD = 3V
VOH IOH = -0.5 mA
Output Low Voltage
Input Leakage Current
DTMF Output DC Level
DTMF Distortion
DTMF Output Voltage
Pre-emphasis
D/A DC Reference
Voltage
D/A Resolution Voltage
VOL1
VOL2
VIL
VTDC
THD
VTO
VREF
IOL = 15 mA, port P2
IOL = 0.4 mA, Other ports
VIN = 0V, RESET pin
VDD = 2.8 to 5.5V
VDD = 2.8 to 5.5V
ROW Group, RL = 5 KΩ
Col/Row
VDD = 3.0 to 5.5V
−
VRSL
−
MIN.
2.4
2.0
2.0
--
--
--
--
--
--
--
--
−
−
0.7
VDD
0
−
VDD –
1.0
−
−
−
1.0
-
130
1
TYP.
-
-
-
1.0
0.7
0.4
2.5
2.2
1.5
0.5
2.0
1.0
1.0
−
MAX.
5.5
5.5
5.5
--
--
--
--
--
--
--
--
3.0
3.0
VDD
UNIT
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
VDD
−
0.3 VDD
VDD
400
−
KΩ
−
−
V
−
2.0
−
0.4
V
−
1
µA
−
3.0
V
-30 -23 dB
150 170 mVrms
2
3
dB
0
−
2/3 VDD
−
1/256
−
VDAC
- 39 -
Publication Release Date: July 1999
Revision A3