MNDP83950B-VQB Datasheet, PDF (9/14 Pages) National Semiconductor (TI) – REPEATER INTERFACE CONTROLLER

MNDP83950B-VQB REV 0B0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
AC PARAMETERS(Continued)
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC: Vcc = 5V +5%, Cl = 50pF, Vil(TTL) = 0V, Vih(TTL) = 3V
SYMBOL
T87
PARAMETER
Read Inactive to
RDY Inactive
CONDITIONS
NOTES
12
PIN-
NAME
MIN
MAX
UNIT
SUB-
GROUPS
30
nS 9, 10,
11
T88
Read Width
12
600
nS 9, 10,
11
T90
Write Address
Setup
12,
0
13,
14,
15
nS 9, 10,
11
T91
Write Address
Hold
12,
0
13,
14,
15
nS 9, 10,
11
T92
Write Active to
BUFEN Active
12,
95
355
nS 9, 10,
13,
11
14,
15
T93
Write Inactive to
BUFEN Inactive
12,
35
nS 9, 10,
13,
11
14,
15
T94
Write Active to
Data Valid
12,
275
nS 9, 10,
13,
11
14,
15
T95
Write Data Hold
12,
0
13,
14,
15
nS 9, 10,
11
T96
Write Active to
RDY Active
12,
340
585
nS 9, 10,
13,
11
14,
15
T97
Write Inactive to
RDY Inactive
12,
30
nS 9, 10,
13,
11
14,
15
T98
Write Width
12,
600
13,
14,
15
nS 9, 10,
11
T99
Write Active to
Data TRI-STATE
12,
350
nS 9, 10,
13,
11
14,
15
Note 1:
Note 2:
Note 3:
Note 4:
The operation in Reduced Mode is not guaranteed below 300 mV.
Timing Valid with no receive or collision activities
The Inter-RIC and Management Busses use active high signals, active low signals may
also be used.
ACKI assumed high
9