P4C174 Ver la hoja de datos (PDF) - Semiconductor Corporation
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P4C174 Datasheet PDF : 12 Pages
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P4C174
AC CHARACTERISTICS - RESET CYCLE
(VCC = 5.0V ± 10%, 0°C to +70°C)
Symbol
Parameter
–8
–10
–12
–15
–20
–25
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
tRRC
Reset Cycle Time
35
40
45
50
50
60
ns
tRP
Reset Pulse Width
8
10
12
12
15
15
ns
tRPU
Reset LOW to Powerup
0
0
0
0
0
0
ns
tRPD
Reset LOW to Powerdown
35
40
45
50
50
60 ns
tRMHI Reset LOW to MATCH HIGH 0 8 0 10 0 10 0 12 0 15 0 20 ns
tRIX
Reset LOW to Inputs
0
0
0
0
0
0
ns
Ignored
tRIR
Reset LOW to inputs
Recognized
35
40
45
50
50
60 ns
tPUR
Powerup to RESET LOW
8
10
12
15
20
25
ns
RESET TIMING
AC TEST CONDITIONS
TRUTH TABLE
Input Pulse Levels
GND to 3.0V
Mode
CE
WE
Input Rise and Fall Times
< 3ns
Standby
H
X
Input Timing Reference Level 1.5V
Read
L
H
Output Timing Reference Level 1.5V
Write
L
L
Output Load
Outputs Loads A, B & C
Output
High Z
DOUT
High Z
Power
Standby
Active
Active
Document # SRAM118 REV C
Page 8 of 12
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