參數(shù)資料
型號: PM73488
廠商: PMC-SIERRA INC
元件分類: 數(shù)字傳輸電路
英文描述: 5 Gbit/s ATM Switch Fabric Element
中文描述: ATM SWITCHING CIRCUIT, PBGA596
封裝: EPBGA-596
文件頁數(shù): 79/135頁
文件大?。?/td> 1735K
代理商: PM73488
PMC-Sierra, Inc.
PM73488 QSE
L
PMC-980616
Issue 3
5 Gbit/s ATMSwitch Fabric Element
Released
Datasheet
81
6.4.5
Miscellaneous Signals
Table 20. Miscellaneous Signals (8 Signal Pins)
Signal Name
Ball
#
Pin #
Type
Description
SE_CLK
AJ16
1
In
QSE Clock
is the main QSE clock.
SE_CLK_BYPASS
AF25
1
In
QSE Bypass Clock
is the clock used when the Phase
Locked Loop (PLL) is bypassed.
/OE
D3
1
In
Output Enable
is an active low signal that enables the
drivers on device outputs.
RESET
AF13
1
In
Reset
is an active high signal used to initialize or re-
initialize the device. SE_CLK must be present for the
reset to take effect.
/PLL_BYPASS
P25
1
In
Bypass PLL, and use clock from SE_CLK_BYPASS for
the QSE instead of SE_CLK.
(Normal operation = V
DD
through a pull-up resistor.)
PLL_VDD
AJ30
1
In
PLL power. Connect to V
DD
.
PLL_VSS
AF27
1
In
PLL ground. Connect to GND.
/IDDTN
G5
1
In
Global output disable.
(Normal operation = GND.)
VDD
D8, B6, C11, A9,
B14, B17, C20,
A22, D23, B25,
E26, C28, A30,
H27, F29, L28,
J30, P29, U29,
Y28, AB30,
AC27, AE29,
AF26, AH28,
AK30, AG23,
AJ25, AH20,
AK22, AJ17,
AJ14, AH11,
AK9, AG8, AJ6,
AF5, AH3, AK1,
AC4, AE2, Y3,
AB1, U2, P2, L3,
J1, H4, F2, E5,
C3, A1,
52
In
Supply voltage 3.3 V ± 10%.
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