67
8Bit Single Chip Microcontroller
DMC73C168
OPERATING MODE
EPROM MODE
OPERATING MODE
EPROM MODE
PIN NAME I/O
PIN NO.
71
PIN NAME
EO1
I/O
O
PIN NAME
I/O PIN NO.
PIN NAME
VCOL
I/O
I
76
77
78
79
80
72
EO2
O
VREF
NC
VDD
73
VSS
74
VASS
VCOH
VSS
CE/INT1
RESET
I
I
75
I
VSS
Note 1) Important notice
A. EPTESTHV PIN Assigned to F4 and EPTEST PIN Assigned to F3.
EPTEST EPTESTHV OPERATION
0
1
1
0
0
1
PGM, PGM VERIFY, READ
Word Line Stress, Bit Line Stress
Other Function Test Mode
B. VPP Pin assigned to test pad.
C. ADDR (0 to 13) was assigned to HPORT (0 ~ 7), EPORT (0 ~ 5)
D. EPROM I/O DATA (8) was assigned to CPORT
Note 2) EPORM related pins
TOTAL 31 PIN
:
:
:
:
8 PIN
¤· DATA LINE
¤· ADDRESS
¤· CONTROL
¤· VPP
14 PIN (ADDR0 ~ ADDR13)
5 PIN (XCE, XOE, XPGM, EPTEST, EPTESTHV)
1 PIN
28 PINS
:
4 PIN (XRESET, OSCIN, VDD, VSS)
32 PINS
¤· OTHER PIN
TOTAL
7. ELECTRICAL SPECIFICATION
7.1 Absolute Maximum Ratings Over Operating Free-Air Temperature Range
(unless otherwise noted *)
PARAMETER
SYMBOL
RATING
-0.3
UNIT
V
VDD
Vref
Supply voltage range (see Note 1)
~
7.0
Input
voltage
Port A,B,C,D,E,F,G,H,
RESET, INT4-0, INT3,
VI
-0.3
-0.3
~
VDD+0.3
V
range CE, OSCIN, VCOH, VCOL
Output
voltage
Port A,B,C,D,E,F,G,H,
EO1, EO2
VO
~
VDD+0.3
V
Input current
II
± 10
± 10
Max 80
0.5
mA
mA
mA
W
Output current
IO
Total low-level output current
Power dissipation
¢² IOL
PD
Storage temperature range
TSTG
-55
~
125
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