參數(shù)資料
型號(hào): XRT79L73IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
中文描述: ATM NETWORK INTERFACE, PBGA456
封裝: 27 X 27 MM, 1 MM PITCH, PLASTIC, BGA-456
文件頁(yè)數(shù): 48/71頁(yè)
文件大?。?/td> 495K
代理商: XRT79L73IB
XRT79L73
REV. P1.0.0
PRELIMINARY
3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
t
46
ELECTRICAL CHARACTERISTICS
AC ELECTRICAL CHARACTERISTIC INFORMATION
MICROPROCESSOR INTERFACE TIMING FOR REVISION A SILICON
MICROPROCESSOR INTERFACE TIMING - ASYNCHRONOUS INTEL MODE
N
OTE
:
The values for "t0" through "t7", in this figure can be found in Table 2.
T
ABLE
1: DC ELECTRICAL CHARACTERISTICSS
A
PPLIES TO ALL
TTL-L
EVEL
I
NPUT AND
CMOS L
EVEL
O
UTPUT PINS
- A
MBIENT
T
EMPERATURE
= 25°C
S
YMBOL
P
ARAMETER
T
EST
C
ONDITION
M
IN
M
AX
U
NITS
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
VIN = VIH
IOH = -2mA
1.9
V
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
F
IGURE
2. A
SYNCHRONUS
M
ODE
1 - I
NTEL TYPE
P
ROGRAMMED
I/O T
IMING
(W
RITE
C
YCLE
)
A
h
M d 1 I t l T
Addres
Data
t5
CS
ALE AS
A[14:0]
D[7:0]
RD_DS
WR R/W
t
0
t
1
t
3
t
4
t
2
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