REV. 1.0.1 3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC NOTE: " />
參數(shù)資料
型號: XRT94L31IB-L
廠商: Exar Corporation
文件頁數(shù): 133/133頁
文件大?。?/td> 0K
描述: IC MAPPER DS3/E3/STS-1 504TBGA
標準包裝: 24
應用: 網(wǎng)絡切換
接口: 總線
電源電壓: 3.14 V ~ 3.47 V
封裝/外殼: 504-LBGA
供應商設(shè)備封裝: 504-TBGA(35x35)
包裝: 托盤
安裝類型: 表面貼裝
XRT94L31
99
REV. 1.0.1
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
NOTE: The values for t0 through t7 can be found in
NOTE: Test Conditions: TA = 25°C, VCC = 3.3V±5% and 2.5V±5%, unless otherwise specified.
FIGURE 5. ASYNCHRONOUS MODE 2 - MOTOROLA (68K) PROGRAMMED I/O TIMING (READ CYCLE)
TABLE 4: TIMING INFORMATION FOR THE MICROPROCESSOR INTERFACE WHEN CONFIGURED TO OPERATE IN THE
MOTOROLA (68K) ASYNCHRONOUS MODE
TIMING
DESCRIPTION
MIN.
TYP.
MAX
UNITS
t0
Address setup time to pALE low
6
-
ns
t1
Address hold time to pALE high
6
-
ns
t2
Data setup time to pDS_L low
0
-
ns
t3
Data hold time to pDS_L low
160
-
ns
t4
pDS_L high to pRDY_L high (Write Cycle)
-
16
ns
t5
pRDY_L low to Data valid
-
15
ns
t6
pDS_L high to pRDY_L high (Read Cycle)
-
16
ns
t7
pRDY_L high to Data invalid
3
-
ns
Data
CS
ALE_AS
A[6:0]
D[7:0]
RD_DS
WR_R/W
RDY_DTACK
t
6
t
7
Address
t
0
t
1
t
5
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