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參數(shù)資料
| 型號： | SY100HA643JY |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 0K |
| 描述： | IC CLK BUFFER 2:8 160MHZ 28-PLCC |
| 標準包裝： | 38 |
| 系列： | Precision Edge® |
| 類型： | 扇出緩沖器（分配） |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:8 |
| 差分 - 輸入:輸出： | 是/是 |
| 輸入： | ECL |
| 輸出： | TTL |
| 頻率 - 最大： | 160MHz |
| 電源電壓： | ±4.2 V ~ 5.5 V，4.75 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應商設備封裝： | 28-PLCC |
| 包裝： | 管件 |
1
Precision Edge
SY100HA643
Micrel, Inc.
M9999-032906
hbwhelp@micrel.com or (408) 955-1690
The SY100HA643 is an enhanced dual supply, low skew
translating 1:8 clock driver. Devices in the Micrel H600
translators series utilize the 28-lead PLCC for optimal power
pinning, signal flow through and electrical performance. The
dual-supply HA643 is similar to the H641, which is a single-
supply 1:9 version of the same function, with higher
performance than the H643 versions.
The device features a 48mA TTL output stage, with AC
performance specified into a 20pF load capacitance.
A
Latch is provided on-chip. When LEN is LOW (or left open,
in which case it is pulled LOW by the internal pulldowns)
the latch is transparent. A HIGH on the enable pin (EN)
forces all outputs LOW.
The 100HA643 is compatible with 100K ECL logic levels.
DESCRIPTION
FEATURES
■ ECL/TTL version of popular ECLinPS E111
■ 400ps within device skew
■ 800ps part-to-part skew
■ Latch
■ Differential internal design
■ VBB output
■ Dual supply
■ Reset/Enable
■ Multiple TTL and ECL power/ground pins
■ Fully compatible with MC100H643
■ Higher performance than H643 versions
■ Industrial temperature availability
■ Available in 28-pin PLCC package
DUAL SUPPLY
OCTAL ECL-TO-TTL
Rev.: H
Amendment: /0
Issue Date:
March 2006
Precision Edge
SY100HA643
BLOCK DIAGRAM
Pin
Function
OGND
TTL Output Ground (0V)
OVTTTL
Output VCC (+5.0V)
IGND
Internal TTL GND (0V)
IVT
Internal TTL VCC (+5.0V)
VEE
ECL VEE (-5.2/-4.5V)
VCCE
ECL Ground (0V)
D, D
Signal Input (ECL)
VBB
VBB Reference Output
Q0 - Q7
Signal Outputs (TTL)
EN
Enable Input (ECL)
LEN
Latch Enable Input (ECL)
PIN NAMES
D
VBB
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
D
LEN
EN
D
Q
TTL OUTPUTS
Precision Edge is a registered trademark of Micrel, Inc.
Precision Edge
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