KK82C55 View Datasheet(PDF) - Kodenshi Auk Co., LTD
Part Name
Description
Manufacturer
KK82C55 Datasheet PDF : 22 Pages
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KK82C55A
NOTES:
1. Pins A1, A0, CS, WR, RD, Reset
2. Data Bus; Ports B, C
3. Outputs open.
4. Limit output current to 4.0mA.
CAPACITANCE
TA = 25OC, VCC = GND = 0V
Symbol
Parameter
CIN
Input Capacitance
CI/O
I/O Capacitance
NOTE:
5. Sampled not 100% tested.
Min Max
10
20
Units
pF
pF
TestConditions
Unmeasured pins
returned to GND fC =
1MHz(5)
A.C. CHARACTERISTICS
TA = 0O to 70OC, VCC = +5V ±10%, GND = 0V
TA = -40OC to +85OC for Extended Temperature
BUS PARAMETERS
READ CYCLE
Symbol
Parameter
tAR
Address Stable Before RD _
tRA
Address Hold Time After RD _
tRR
RD Pulse Width
tRD
Data Delay from RD _
tDF
RD _ to Data Floating
tRV
Recovery Time between RD /WR
WRITE CYCLE
Symbol
tAW
tWA
Parameter
Address Stable Before WR_
Address Hold Time After WR_
tWW WR Pulse Width
tDW Data Setup Time Before WR_
tWD Data Hold Time After WR_
Min
Max
0
0
150
120
10
75
200
Units
Test
Conditions
ns
ns
ns
ns
ns
ns
Min Max Units Test Conditions
0
ns
20
ns PortsAB
20
ns PortC
100
ns
100
ns
30
ns PortsAB
30
ns PortC
19
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