參數(shù)資料
型號： BU-61745G4-450Q
廠商： DATA DEVICE CORP
元件分類： 微控制器/微處理器
英文描述： 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
封裝： 25.40 X 25.40 MM, 2.54 MM HEIGHT, CERAMIC, QFP-72
文件頁數(shù)： 38/60頁
文件大?。?/td> 457K
代理商： BU-61745G4-450Q
43
Data Device Corporation
www.ddc-web.com
BU-6174X/6184X/6186X
F-10/02-300
SIGNAL DESCRIPTIONS BY FUNCTIONAL GROUPS
+5V Vcc CH A
72
Channel A transceiver power.
E1, F1, G1
+5V Vcc CH B
20
Channel B transceiver power.
V13, V14, V15
+5V / +3.3V Logic
37
Logic power. For BU-61864/61843/61743, this pin must be connected to +3.3V.
For BU-61865/61845/61745, this pin must be connected to +5V.
For BU-61740/61840/61860BX, these eight balls may connect to either +5V or +3.3V.
Refer to VDD_LOW (ball V2) signal information to determine voltage selection options.
A8, A16, B8, L1,
L2, L17, L18, B16
Ground
17, 18, 19, 65, 67
Ground.
A9, B9, C17, C18,
K17, K18, U4, U9,
V1, V4
+5V RAM
26
(BU-6186XFX/GX
only)
For BU-61864FX/GX, BU-61865FX/GX, and BU-61860BX this pin must be connected
to +5V.
Note: for BU-6184XFX/GX and BU-6174XFX/GX, this pin assumes the function
UPADDREN.
Note: for BU-61740BX and BU-61840BX, these two balls are not connected (N/C).
U3, V3
(BU-61860BX
only)
TABLE 47. POWER AND GROUND
SIGNAL NAME
DESCRIPTION
BU-6186XFX/GX
BU-6184XFX/GX
BU-6174XFX/GX
BALL
PIN
BU-61860BX
BU-61840BX
BU-61740BX
Ground/Thermal
Ground/Thermal connections. See Thermal and Mechanical Management Section for
important user information.
-
E2, F2, G2, U13,
U14, U15
VDD_LOW (I)
Input that selects logic threshold voltage. Set to logic "0" for 3.3V threshold and to +5V
(logic "1") for 5V threshold. Must match “+5V/+3V Logic” input voltage.
-
V2
TX/RX-A (I/O)
5
Analog Transmit/Receive Input/Outputs. Connect directly to 1553 isolation transformers.
D1, D2
TX/RX-A (I/O)
7
H1, H2
TX/RX-B (I/O)
13
U12, V12
TX/RX-B (I/O)
16
U16, V16
TABLE 48. 1553 ISOLATION TRANSFORMER
SIGNAL NAME
BU-6186XFX/GX
BU-6184XFX/GX
BU-6174XFX/GX
BALL
PIN
BU-61860BX
BU-61840BX
BU-61740BX
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