XRT79L71_07 Datasheet, PDF (89/109 Pages) Exar Corporation – 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE

XRT79L71
REV. 1.0.0
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE
TABLE 10: TIMING INFORMATION FOR THE MICROPROCESSOR INTERFACE, WHEN CONFIGURED TO OPERATE IN THE
IBM POWER PC403 MODE
Test Conditions: TA = 25°C, VCC = 3.3V±5% and 2.5V±5%, unless otherwise specified.
TIMING
DESCRIPTION
MIN.
TYP.
MAX.
t11 Clock high to pOE_L low
11
-
-
t12 Clock high to pOE_L high
1.5
-
4.1
MICROPROCESSOR INTERFACE TIMING - IDT3051/52 MODE
FIGURE 12. SYNCHRONOUS MODE 4 - IDT 3051/52 INTERFACE TIMING (WRITE CYCLE)
pCLK
pCS_L
pALE
pA[14:0]
pD[7:0]
pRdy_L
pRD_L
pWR_L
pDBEN_L
t0
t1
t2
Address
Data
t5
t3
t4
t6
NOTE: The values for "t0" through "t11" can be found in Table 11.
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