XRT79L71_07 Datasheet, PDF (84/109 Pages) Exar Corporation – 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE

XRT79L71
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE
10.0 ELECTRICAL CHARACTERISTICS
10.1 DC Electrical
REV. 1.0.0
TABLE 7: DC ELECTRICAL CHARACTERISTICSS
APPLIES TO ALL TTL-LEVEL INPUT AND CMOS LEVEL OUTPUT PINS - AMBIENT TEMPERATURE = 25°C
SYMBOL
PARAMETER
TEST CONDITION
MIN
MAX
UNITS
VDDQ I/O Supply Voltage
3.135
3.465
V
VIH High-Level Input Voltage
VOUT ³ VOH(min)
2.0
VDD + 0.3 V
VIL Low-Level Input Voltage
VOUT < VOL (max)
-0.3
0.3*VDD
V
VOH High-Level Output Voltage
VDD = MIN
IOH = -2mA
1.9
V
VIN = VIH
VOL Low-Level Output Voltage
VDD = MIN
VIN = VIL
IOL = 2mA
0.6
V
II
Input Current
VDD = MAX
VIN = VDD or GND
±15
mA
10.2 AC ELECTRICAL CHARACTERISTIC INFORMATION
11.0 MICROPROCESSOR INTERFACE
MICROPROCESSOR INTERFACE TIMING FOR REVISION A SILICON
MICROPROCESSOR INTERFACE TIMING - ASYNCHRONOUS INTEL MODE
FIGURE 6. ASYNCHRONUS MODE 1 - INTEL TYPE PROGRAMMED I/O TIMING (WRITE CYCLE)
CS
ALE AS
A[14:0]
D[7:0]
RD_DS
WR R/W
t₀
Addres
t₃
t₁
Data
t5
t₄
t₂
Ah
M d 1 I t lT
NOTE: The values for "t0" through "t7", in this figure can be found in Table 8.
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