HM6264A Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
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HM6264A Datasheet PDF : 10 Pages
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HM6264A Series
AC Characteristics (VCC = 5 V ± 10%, Ta = 0 to +70°C)
AC Test Conditions:
• Input pulse levels: 0.8 V/2.4 V
• Input rise and fall time: 10 ns
• Input timing reference level: 1.5 V
• Output timing reference level
— HM6264A-10: 1.5 V
— HM6264A-12/15: 0.8 V/2.0 V
• Output load: 1 TTL gate and CL (100 pF) (including scope and jig)
HM6264A Series
Read Cycle
Parameter
HM6264A-10 HM6264A-12 HM6264A-15
——————— ——————— ———————
Symbol Min Max Min Max Min Max Unit
Read cycle time
tRC
100 —
120 —
150 —
ns
Address access time
tAA
—
Chip selection to output CS1 tCO1
—
100 —
100 —
120 —
120 —
150 ns
150 ns
CS2 tCO2
—
100 —
120 —
150 ns
Output enable to output valid
tOE
—
50
—
60
—
70
ns
Chip selection to output CS1 tLZ1
10
—
10
—
15
—
ns
in low Z
CS2 tLZ2
10
—
10
—
15
—
ns
Output enable to output in low Z tOLZ
5
—
5
—
5
—
ns
Chip deselection to
output in high Z
CS1 tHZ1
0
CS2 tHZ2
0
35
0
35
0
40
0
40
0
50
ns
50
ns
Output disable to output in high Z
t
OHZ
0
35
0
40
0
50
ns
Output hold from address change
t
OH
10
—
10
—
10
—
ns
Notes
1. tHZ and tOHZ are defined as the time at which the outputs to achieve the open circuit
condition and are not referred to output voltage levels.
2. At any given temperature and voltage condition, tHZ maximum is less than tLZ minimum both for
a given device and from device to device.
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