82C54
AC Electrical SpecificationsV = +5.0V ± 10%, Includes all Temperature Ranges
CC
82C54
82C54-10
82C54-12
TEST
SYMBOL
PARAMETER
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
CONDITIONS
READ CYCLE
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
TAR
Address Stable Before RD
CS Stable Before RD
Address Hold Time After RD
RD Pulse Width
30
0
-
25
0
-
-
25
0
-
-
ns
ns
ns
ns
ns
ns
ns
ns
1
TSR
TRA
TRR
TRD
TAD
TDF
TRV
-
-
1
0
0
-
0
-
1
150
-
-
95
-
-
95
-
-
1
Data Delay from RD
120
210
85
-
85
185
65
-
85
185
65
-
1
1
Data Delay from Address
RD to Data Floating
-
-
-
5
5
5
2, Note 1
Command Recovery Time
200
165
165
WRITE CYCLE
(9)
TAW
Address Stable Before WR
CS Stable Before WR
0
0
-
-
-
-
-
-
-
0
0
-
-
-
-
-
-
-
0
0
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
(10)
(11)
(12)
(13)
(14)
(15)
TSW
TWA
Address Hold Time After WR
0
0
0
TWW WR Pulse Width
95
140
25
200
95
95
0
95
95
0
TDW
TWD
TRV
Data Setup Time Before WR
Data Hold Time After WR
Command Recovery Time
165
165
CLOCK AND GATE
TCLK Clock Period
TPWH High Pulse Width
TPWL Low Pulse Width
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
NOTE:
125
60
60
-
DC
-
100
30
40
-
DC
-
80
30
30
-
DC
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
1
1
-
-
-
TR
TF
Clock Rise Time
25
25
-
25
25
-
25
25
-
Clock Fall Time
-
-
-
TGW
TGL
TGS
TGH
TOD
Gate Width High
50
50
50
50
-
50
50
40
50
-
50
50
40
50
-
1
1
1
1
1
1
1
1
1
1
Gate Width Low
-
-
-
Gate Setup Time to CLK
Gate Hold Time After CLK
Output Delay from CLK
-
-
-
-
-
-
150
120
260
55
40
40
100
100
240
55
40
40
100
100
240
55
40
40
TODG Output Delay from Gate
-
-
-
TWO
TWC
TWG
TCL
OUT Delay from Mode Write
CLK Delay for Loading
-
-
-
0
0
0
Gate Delay for Sampling
CLK Setup for Count Latch
-5
-40
-5
-40
-5
-40
1. Not tested, but characterized at initial design and at major process/design changes.
4