參數(shù)資料
型號(hào): ICS954321YGLF-T
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 400 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO64
封裝: 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153, TSSOP-64
文件頁數(shù): 4/19頁
文件大?。?/td> 224K
代理商: ICS954321YGLF-T
12
Integrated
Circuit
Systems, Inc.
ICS954321
1078B—09/20/05
OE#
SRCCLK
Figure 2. OE# Control Tim ing
Power Stable to Device
TSRCSTBL
TPVCRL
VPCIEXDEV
SRCCLK
OE#
Figure 1. Power-Up OE# Tim ing
Symbol
Parameter
Min
Max
Units
TPVCRL
Power Valid to OE# Output Active (Fig. 1)
100
s
TSRCSTBL
SRC Clock Stablilzation Time from assertion of OE#
(Fig. 1)
800
s
1This timing is valid only after system clocks are stable.
Symbol
Parameter
Min
Max
Units
TCRHoff
OE# De-asserted High to SRCCLK Parked (Fig. 2)
0
s
TCRHon
OE# Asserted LOW to SRCCLK Active (Fig. 2)
0.4
s
Table 1. Power-Up OE# Timing1
Table 2. OE# Control Timing
OE# - Assertion (transition from logic "1" to logic "0")
The impact of asserting the OE# pin is that the SRCCLK output will become active per the timing found in the OE#
Control Timing Table. The clock will become active in a glitch free manner, providing a full cycle at the time it
becomes active.
OE# - De-Assertion (transition from logic "0" to logic "1")
The impact of asserting the OE# pin is that the SRCCLK output will become inactive setliing in the Tristate condition
per the timing found the OE# Control Timing Table. The clock will become inactive in a glitch free manner.
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