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intef
82C54
ABSOLUTE MAXIMUM RATINGS*
Ambient Temperature Under Bias.. . . . . '0'C to 70'C
Storage Temperature
- 65' to + 150'C
SupplyVoltage
. -0,5to *8.0V
O p ' e r d t i n g V o i t a g e . . . . . .
+ 4 V t o + 7 V
Vdttage on any lnput. .
. 'GND -2V to +6.5V
Voltage on any Output . .GND-0.5V to V66 + 0.5V
PoweiDissipation
... '.1Watt
'Notice: Sfresses ahove those listed under'Abso'
lute Maximum Batings" may cause permanent dam-
age to the device. This is a sfless rating only and
functional operation of the device at these or any
other conditions above those indicated in the opera'
tionat sections of this specification is not implied. Ex'
posure to absolute maximum rating conditions for
extended periods may affect device reliability.
D.C. CHARACTERISTICS
(Il:0.c to 70.c, vcc:5Vt
10"/o, GND:OV) fin : -40oc tO t85'C for Extended Temperature)
A.C. CHARACTERISTICS
CfA : 0'C to 70'C, V66
: 5V t10o/o, GND :0V) (IR :
BUS PABAMETERS (NOIE 1)
READ CYCLE
-40"C to + 85'C for Extended Temperature)
Symbol
Parameter
Mln
Max
Unlte
Test Condltlong
Vrr
Inout Low Voltage
- 0.5
0.8
V
Vrr+
Input High Voltage
2.O
Vcn * 0.5
V
Vor
Output Low Voltage
o.4
V
lnr : 2.5 mA
vox
Output High Voltage
3.0
Vee - 0.4
V
v
lox : -2.5 mA
lox = -100 rlA
I11
lnout Load Current.
r.2.0
U,A
Vrr.r:Vec to 0V
lorl
Output Float Leakage Cunent
t 1 0
pA
Vorr:Vcc to 0.0V
166
V66 Supply Currenl
20
mA
crk Freq= ,'fiH*r%l".ti
lccsg
Vs6 Supply Current-StandbY
1 0
pA
CLK Freq : Pt6
dS: V66.
All lnputs/Data Bus V66
AllOutouts Floatinq
lccsgr
V66 Supply Current-StandbY
1 5 0
pA
CLK Freq : 96
eS : V66. AllOther InPuts,
l/O Pins : Vcrun, Outputs OPen
crru
Input Capacitance
1 0
pF
f c :
1 M H z
Unmeasured
pins
rEturned to GND(S)
Qro
l/O Capacitance
20
pF
Corrr
Outpul Capacitance
20
pF
Symbol
Parameter
82C54
82C54-2
Unlts
Mln
Max
llln
llax
tln
Address Stable Before F'D J
45
30
ns
tsR
G staote Before ffi J
0
0
ns
tnn
Address Hold Time AtterRD t
0
0
ns
tRR
m Pulse Width
1 5 0
95
ns
tno
Data Delay from FD J
120
85
ns
tno
Data Delay from Address
220
1 8 5
ns
tor
nD T to Data Floating
c
90
5
65
ns
Inv
Command Recovery Time
200
165
ns
NOTE:
1. AC timings measured at V96 : 2-OY' Vol : 0.8V.
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