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CAT28C256-15 View Datasheet(PDF) - Catalyst Semiconductor => Onsemi

Part Name
Description
View to exact match
CAT28C256-15
Catalyst
Catalyst Semiconductor => Onsemi Catalyst
CAT28C256-15 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
CAT28C256
MODE SELECTION
Mode
CE
WE
OE
I/O
Power
Read
L
H
L
DOUT
ACTIVE
Byte Write (WE Controlled)
L
H
DIN
ACTIVE
Byte Write (CE Controlled)
L
H
DIN
ACTIVE
Standby, and Write Inhibit
H
X
X
High-Z
STANDBY
Read and Write Inhibit
X
H
H
High-Z
ACTIVE
CAPACITANCE TA = 25°C, f = 1.0 MHz, VCC = 5V
Symbol
Test
CI/O(1)
Input/Output Capacitance
CIN(1)
Input Capacitance
Max.
10
6
Units
pF
pF
Conditions
VI/O = 0V
VIN = 0V
A.C. CHARACTERISTICS, Read Cycle
VCC=5V + 10%, Unless otherwise specified
Symbol Parameter
tRC
Read Cycle Time
tCE
CE Access Time
tAA
tOE
tLZ(1)
tOLZ(1)
tHZ(1)(2)
tOHZ(1)(2)
tOH(1)
Address Access Time
OE Access Time
CE Low to Active Output
OE Low to Active Output
CE High to High-Z Output
OE High to High-Z Output
Output Hold from Address Change
28C256-12
Min. Max.
120
120
120
50
0
0
50
50
0
28C256-15
Min. Max.
150
150
150
70
0
0
50
50
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
(2) Output floating (High-Z) is defined as the state when the external data line is no longer driven by the output buffer.
Doc. No. 25020-0A 2/98
4
 

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