W921E840A Datasheet, PDF (43/58 Pages) Winbond – 4-BIT MICROCONTROLLER

W921E840A/W921C840
W921E840A EPROM Type DC Characteristics, continued
PARAMETER
SYM.
CONDITIONS
Stop Mode Current
ISM1 VDD = 5V, FOSC = 4 MHz
ISM2 VDD = 3V, FOSC = 800 KHz
ISM3 VDD = 3V, FOSC = 400 KHz
Input High Voltage
ISM4
VIH
VDD = 3V, FOSC = 32.768
KHz
−
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
−
VRSL
−
W921C840 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
MIN.
−
−
−
−
0.7
VDD
0
−
VDD -
1.0
−
−
−
1.0
-
130
1
0
−
MIN.
2.4
2.0
2.0
--
--
--
--
--
--
TYP.
2.0
1.0
1.0
1.0
MAX.
3.0
3.0
3.0
3.0
−
VDD
−
0.3
VDD
400
−
−
−
−
2.0
−
0.4
−
1
−
3.0
-30 -23
150 170
2
3
−
2/3
1/256
−
TYP.
-
-
-
1.0
0.7
0.4
2.5
2.2
1.5
MAX.
5.5
5.5
5.5
--
--
--
--
--
--
UNIT
µA
µA
µA
µA
VDD
VDD
KΩ
V
V
µA
V
dB
mVrms
dB
VDD
VDAC
UNIT
V
V
V
mA
mA
mA
mA
mA
mA
- 43 -
Publication Release Date: July 1999
Revision A3