CAT28C65BH13A-90T Просмотр технического описания (PDF) - ON Semiconductor
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CAT28C65BH13A-90T Datasheet PDF : 13 Pages
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A.C. CHARACTERISTICS, Read Cycle
VCC = 5V ±10%, unless otherwise specified.
Symbol
tRC
tCE
tAA
tOE
tLZ(1)
tOLZ(1)
tHZ(1)(2)
tOHZ(1)(2)
tOH(1)
Parameter
Read Cycle Time
CE Access Time
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
CAT28C65B
28C65B-90
Min. Max.
90
90
90
50
0
0
50
50
0
28C65B-12
Min. Max.
120
120
120
60
0
0
50
50
0
28C65B-15
Min. Max. Units
150
ns
150 ns
150 ns
70 ns
0
ns
0
ns
50 ns
50 ns
0
ns
Figure 1. A.C. Testing Input/Output Waveform(3)
2.4 V
0.45 V
INPUT PULSE LEVELS
2.0 V
0.8 V
REFERENCE POINTS
Figure 2. A.C. Testing Load Circuit (example)
1.3V
1N914
DEVICE
UNDER
TEST
3.3K
OUT
CL = 100 pF
CL INCLUDES JIG CAPACITANCE
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.
(3) Input rise and fall times (10% and 90%) < 10 ns.
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
5
Doc. No. MD-1009, Rev. H
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