XRT94L31IB Exar Corporation, XRT94L31IB Datasheet - Page 98

• Manufacturer Part Number: XRT94L31IB
• Description: IC MAPPER DS3/E3/STS-1 504TBGA
• Manufacturer: Exar Corporation

Specifications of XRT94L31IB

• Applications: Network Switches
• Interface: Bus
• Voltage - Supply: 3.14 V ~ 3.47 V
• Package / Case: 504-LBGA
• Mounting Type: Surface Mount
• Product: Mapper
• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant

XRT94L31
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
N
N
F
1.2.2
OTE
OTE
IGURE
T
ABLE
T
: Test Conditions: TA = 25°C, VCC = 3.3V±5% and 2.5V±5%, unless otherwise specified.
: The values for t0 through t7 can be found in
IMING
t0
t1
t2
t3
t4
t5
t6
t7
t8
4. A
3: T
RDY_DTACK
MICROPROCESSOR INTERFACE TIMING - ASYNCHRONOUS MOTOROLA (68K) MODE
IMING
SYNCHRONOUS
WR_R/W
Address setup time to pALE low
Address hold time from pALE low
pRD_L, pWR_L pulse width
Data setup time to pWR_L low
Data hold time from pWR_L high
pALE low to pRD_L, pWR_L low
Data invalid from pRD_L high
Data valid from pRDY_L low
pRDY inactive from pRD_L inactive
ALE_AS
RD_DS
A[6:0]
D[7:0]
I
NFORMATION FOR THE
CS
M
D
ODE
ESCRIPTION
2 - M
OTOROLA
M
I
t
NTEL
0
ICROPROCESSOR
t
2
Table 4
A
SYNCHRONOUS
(68K) P
Address
98
.
ROGRAMMED
Data
I
NTERFACE
M
320
4
4
0
0
5
4
3
-
IN
M
.
ODE
t
,
I/O T
4
WHEN CONFIGURED TO OPERATE IN THE
t
t
T
1
3
IMING
YP
-
-
-
-
-
-
-
-
.
(W
RITE
M
C
AX
0
9
-
-
-
-
-
-
-
YCLE
.
)
U
REV. 1.0.1
NITS
ns
ns
ns
ns
ns
ns
ns
ns
ns