参数资料
型号: TSX88915TMW100
厂商: E2V TECHNOLOGIES PLC
元件分类: 时钟及定时
英文描述: PLL BASED CLOCK DRIVER, 7 TRUE OUTPUT(S), 1 INVERTED OUTPUT(S), CQCC28
封装: CERAMIC, LCC-28
文件页数: 1/20页
文件大小: 168K
代理商: TSX88915TMW100
April 1999
1/20
DESCRIPTION
The TS88915T Clock Driver utilizes a phazed–locked loop
(PLL) technology to lock its low skew outputs’ frequency and
phase onto an input reference clock. It is designed to provide
clock distribution for high performance microprocessors such
as TS68040, TSPC603E,TSPC603P,TSPC603R, PCI bridge,
RAM’s, MMU’s...
MAIN FEATURES
H Vcc = 5V 5 %
H MILITARY TEMPERATURE RANGE
H TS68040 FULL COMPATIBLE
H FIVE LOW SKEW OUTPUTS
Five Outputs (Q0-Q4) with Output–to–Output skew < 500
ps each being phase end frequency locked to the SYNC
input.
H ADDITIONAL OUTPUTS
Three additional outputs are available :
– The 2X_Q output runs twice the system ”Q” frequency.
– The Q/2 output runs at 1/2 the system ”Q” frequency.
– The Q5 output is inverted (180
° phase shift).
H TWO SELECTABLE CLOCK INPUTS
– Two selectable CLOCK inputs are available for test or
redundancy purposes.
– Test Mode pin (PLL_EN) provided for low frequency test-
ing.
– All outputs can go into high impedance (3-state) for board
test purpose.
H INPUT FREQUENCY RANGE FROM 5MHz to 2X_Q
FMAX
H THREE INPUT/OUTPUT RATIOS
Input/Output phase–locked frequency ratios of 1:2, 1:1 and
2:1 are available.
H LOW PART-TO-PART SKEW
The phase variation from part–to–part between the SYNC
and FEEDBACK inputs is less than 550 ps (derived from the
tPD specification, which defines the part-to-part skew).
H CMOS AND TTL COMPATIBLE
– All outputs can drive either CMOS or TTL inputs.
– All inputs are TTL-level compatible.
H LOCK Indicator (LOCK) indicated a phase–locked
state.
SCREENING / QUALITY
This product is manufactured :
H based upon the generic flow of MIL–STD–883.
H or according to TCS standard.
R Suffix
PGA 29
Ceramic Pin grid array
W suffix
LDCC 28
Leaded Ceramic Chip Carrier
TS88915T
LOW SKEW CMOS PLL CLOCK DRIVER
3-State 70 and 100 MHz Versions
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