PAGE
STANDARD
NAME
3.6 DC ELECTRICAL SPECIFICATIONS
Item
Symbol
Min.
Typ.
Max.
Unit
Supply voltage
VCC
4.5 5.0 5.5
V
-
170
220
Supply current
ICC
mA
High-level input voltage (see Note)
(E,RD/,SCK,RST/)
VIH1
0.8*VCC
-
VCC
V
Low-level input voltage (see Note)
(E,RD/,SCK,RST/)
VIL1
0.0
-
0.2*VCC
V
High-level input voltage (see Note)
(all inputs except E,RD/,SCK,RST/)
VIH2
0.7*VCC
-
VCC
V
Low-level input voltage (see Note)
(all inputs except E,RD/,SCK,RST/)
VIL2
0.0
-
0.3*VCC
V
High-level output voltage
(IOH = -0.1mA)
VOH
VCC-0.5
- -
V
Low-level output voltage
(IOL = 0.1mA)
VOL
- -
0.5
V
Input current (see Note)
II
-500
-
1.0
uA
Note: A 10K ohm pull-up resistor is provided on each input for TTL compatibility.
3.7
AC ELECTRICAL SPECIFICATIONS
3.7.1 RESET TIMING
(See Figures 1 and 2)
Item
Symbol
Min.
Max.
Unit
VCC
rise time
tRVCC
-
10
ms
VCC
off time
tOFF
1
-
ms
Delay time after power-up reset
tIRSTD
100
-
us
Delay time after external reset
tERSTD
100
-
us
RST/ pulse width low
tRSTL
500
-
ns
Input signal fall time
tf
-
15
ns
Input signal rise time
tr
-
15
ns
Note: All timing is specified using 20% and 80% of VCC
as the reference points.
REV. NO.
6/24
03
DOCUMENT NO.
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