4Bit Single Chip Microcontroller
19
DMC42P3008
DEVICE OPERATION
The operational modes of the DMC42P3008 are listed in Table 1.
A single 5V power supply is required in the read mode.
All inputs are TTL levels except for VPP / OEX.
VPP = 12.5±0.5V
MODE
PINS
CEX VPP / OEX VDD
OUTPU
READ
VIL
VIL
5.0V
DOUT
PROGRAM
VIL
VPP
6.0V
DIN
VERIFY
VIL
VIL
6.0V
DOUT
PROGRAM INHIBIT VIH
VPP
6.0V High Z
TABLE 1. Operating Modes
PIN NAME
TEST
RESETB
MODE
EPROM MODE
USER MODE
VIH
VIL
VIH
VIL
VIL
TABLE 2. The modes of DMC42P3008
DC PROGRAMMING CHARACTERISTICS
PARAMETER
SYMBO
L
Input Low Voltage
VIL
Input High Voltage
VIH
Output Low Voltage during Verify VOL
Output High Voltage during Verify VOH
Quick-pulse Programming
VPP
Quick-pulse Programming
VDD
TEST CONDITION
IOL = 2.1mA
IOH = -400uA
LIMIT
MIN.
MAX.
-0.1
0.8
2.0
VDD
-
0.45
2.4
-
12.5
13.0
6.0
6.5
UNIT
V
V
V
V
V
V