LC35V256EM Datasheet, PDF (3/6 Pages) Sanyo Semicon Device – 256K (32K words x 8 bits) SRAM Control pins: OE and CE

LC35V256EM, ET70W
Pin Functions
A0 to A14
WE
OE
CE
I/O1 to I/O8
V_CC, GND
Address input
Read/write control input
Output enable input
Chip enable input
Data I/O
Power supply, ground
Function Table
Mode
Read cycle
Write cycle
Output disable
Unselected
CE
OE
WE
L
L
H
L
X
L
L
H
H
H
X
X
Note: X indicates H or L.
Specifications
Absolute Maximum Ratings
I/O
Data output
Data input
High impedance
High impedance
Supply current
I_CCA
I_CCA
I_CCA
I_CCS
Parameter
Maximum supply voltage
Input pin voltage
I/O pin voltage
Operating temperature
Storage temperature
Symbol
V_CC max
V_IN
V_I/O
Topr
Tstg
Note: * The minimum value is –2.0 V for pulse widths under 30 ns.
I/O Capacitances at Ta = 25°C, f = 1 MHz
Conditions
Parameter
Symbol
Conditions
I/O pin capacitance
C_I/O
Input pin capacitance
C_I
Note: All units are not tested; only samples are tested.
V_I/O = 0 V
V_IN = 0 V
DC Allowable Operating Ranges at Ta = –10 to +70°C, V_CC = 3.0 to 3.6 V
Parameter
Symbol
Supply voltage
V_CC
Input voltage
V_IH
V_IL
Note: * The minimum value is –2.0 V for pulse widths under 30 ns.
Conditions
Ratings
Unit
4.6
V
–0.3* to V_CC + 0.3
V
–0.3 to V_CC + 0.3
V
–10 to +70
°C
–55 to +125
°C
Ratings
Unit
min
typ
max
6
10
pF
6
10
pF
Ratings
Unit
min
typ
max
3.0
3.3
3.6
V
0.8V_CC
–0.3*
V_CC + 0.3
V
0.2V_CC
V
No. 6303-3/6