FEDR27T401E-02-01
OKI Semiconductor
MR27T401E
ELECTRICAL CHARACTERISTICS
DC Characteristics
(V
CC
= 2.7 V to 3.6 V, Ta = 0 to 70°C)
Parameter
Input leakage current
Output leakage current
V
CC
power supply current
(Standby)
V
CC
power supply current
(Read)
Input “H” level
Input “L” level
Output “H” level
Output “L” level
Symbol
I
LI
I
LO
I
CCSC
I
CCST
I
CCA1
I
CCA2
V
IH
V
IL
V
OH
V
OL
Condition
V
I
= 0 to V
CC
V
O
= 0 to V
CC
CE# = V
CC
CE# = V
IH
CE# = V
IL
OE# = V
IH
tc = 100 ns
tc = 200 ns
—
—
I
OH
= –1 mA
I
OL
= 2 mA
Min.
—
—
—
—
—
—
2.2
–0.5∗∗
2.4
—
Typ.
—
—
—
—
—
—
—
—
—
—
Max.
10
10
10
1
25
20
V
CC
+0.5∗
0.6
—
0.4
Unit
µA
µA
µA
mA
mA
mA
V
V
V
V
Voltage is relative to V
SS
.
∗
: Vcc+1.5V(Max.) when pulse width of overshoot is less than 10ns.
∗∗
: -1.5V(Min.) when pulse width of undershoot is less than 10ns
AC Characteristics
(V
CC
= 2.7 V to 3.6 V, Ta = 0 to 70°C)
Parameter
Address cycle time
Address access time
CE# access time
OE# access time
Output disable time
Output hold time
Symbol
t
C
t
ACC
t
CE
t
OE
t
CHZ
t
OHZ
t
OH
Condition
—
CE# = OE# = V
IL
OE# = V
IL
CE #= V
IL
OE# = V
IL
CE# = V
IL
CE #= OE# = V
IL
Min.
100
—
—
—
0
0
0
Max.
—
100
100
40
35
30
—
Unit
ns
ns
ns
ns
ns
ns
ns
Measurement conditions
Input signal level --------------------------------
0 V/Vcc V
Input timing reference level ------------------
1/2Vcc
Output load---------------------------------------
50 pF
Output timing reference level ----------------
1/2Vcc
Output load
Output
50 pF
(Including scope and jig)
4/9
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