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參數(shù)資料
| 型號： | SY10E137JZ |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 0K |
| 描述： | IC COUNTER RIPPLE 8BIT 28-PLCC |
| 標(biāo)準(zhǔn)包裝： | 38 |
| 系列： | 10E |
| 邏輯類型： | 二進制計數(shù)器 |
| 方向： | 上 |
| 元件數(shù)： | 1 |
| 每個元件的位元數(shù)： | 8 |
| 復(fù)位： | 異步 |
| 計時： | 異步/同步 |
| 計數(shù)速率： | 2.2GHz |
| 觸發(fā)器類型： | 正邊沿 |
| 電源電壓： | 4.2 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 28-PLCC |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1086 (CN2011-ZH PDF) |
| 其它名稱： | 576-2491 SY10E137JZ-ND |
1
SY10E137
SY100E137
Micrel, Inc.
M9999-032006
hbwhelp@micrel.com or (408) 955-1690
Pin
Function
CLK, CLK
Differential Clock Inputs
Q0–Q7, Q0–Q7
Differential Q Outputs
A_Start
Asynchronous Enable Input
EN1, EN2
Synchronous Enable Inputs
MR
Asynchronous Master Reset
VBB
Switching Reference Output
VCCO
VCC to Output
FEATURES
s 1.8GHz min. count frequency
s Extended 100E VEE range of –4.2V to –5.5V
s Synchronous and asynchronous enable pins
s Differential clock input and data output pins
s VBB output for single-ended use
s Asynchronous Master Reset
s Internal 75K
input pull-down resistors
s Available in 28-pin PLCC packge
DESCRIPTION
The SY10/100E137 are very high speed binary ripple
counters. The two least significant bits were designed
with very fast edge rates, while the more significant bits
maintain standard ECLinPS output edge rates. This allows
the counters to operate at very high frequencies, while
maintaining a moderate power dissipation level.
The devices are ideally suited for multiple frequency
clock generation, as well as for counters in high-
performance ATE time measurement boards.
Both asynchronous and synchronous enables are
available to maximize the device's flexibility for various
applications. The asynchronous enable input, A_Start,
when asserted, enables the counter while overriding any
synchronous enable signals. The E137 features XOR'ed
enable inputs, EN1 and EN2, which are synchronous to
the CLK input. When only one synchronous enable is
asserted, the counter becomes disabled on the next CLK
transition. All outputs remain in the previous state poised
for the other synchronous enable or A_Start to be
asserted in order to re-enable the counter.
Asserting
both synchronous enables causes the counter to become
enabled on the next transition of the CLK. EN1 (or EN2)
and CLK edges are coincident. Sufficient delay has been
inserted in the CLK path (to compensate for the XOR
gate delay and the internal D-flip-flop set-up time) to
ensure that the synchronous enable signal is clocked
correctly; hence, the counter is disabled.
The E137 can also be driven single-endedly utilizing
the VBB output supply as the voltage reference for the
CLK input signal. If a single-ended signal is to be used,
the VBB pin should be connected to the CLK input and
bypassed to ground via a 0.01
F capacitor. VBB can
only source/sink 0.5mA; therefore, it should be used as
a switching reference for the E137 only.
All input pins left open will be pulled LOW via an input
pull-down resistor. Therefore, do not leave the differential
CLK inputs open. Doing so causes the current source
transistor of the input clock gate to become saturated,
thus upsetting the internal bias regulators and
jeopardizing the stability of the device.
The asynchronous Master Reset resets the counter to
an all zero state upon assertion.
PIN NAMES
8-BIT RIPPLE
COUNTER
SY10E137
SY100E137
Rev.: E
Amendment: /0
Issue Date: March 2006
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY10E137JZ TR | 功能描述:計數(shù)器移位寄存器 8-bit Ripple Counter (Lead Free) RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| SY10E141JC | 功能描述:IC SHIFT REGISTER 8-BIT 28-PLCC RoHS:否 類別:集成電路 (IC) >> 邏輯 - 移位寄存器 系列:10E 標(biāo)準(zhǔn)包裝:1,000 系列:- 邏輯類型:移位寄存器 輸出類型:差分 元件數(shù):1 每個元件的位元數(shù):4 功能:串行至并行 電源電壓:4.2 V ~ 5.7 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) |
| SY10E141JC TR | 功能描述:IC SHIFT REGISTER 8-BIT 28-PLCC RoHS:否 類別:集成電路 (IC) >> 邏輯 - 移位寄存器 系列:10E 標(biāo)準(zhǔn)包裝:1,000 系列:- 邏輯類型:移位寄存器 輸出類型:差分 元件數(shù):1 每個元件的位元數(shù):4 功能:串行至并行 電源電壓:4.2 V ~ 5.7 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) |
| SY10E141JY | 功能描述:寄存器 8-bit Shift Register (I Temp, Lead Free) RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時鐘頻率:36 MHz 傳播延遲時間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
| SY10E141JY TR | 功能描述:寄存器 8-bit Shift Register (I Temp, Lead Free) RoHS:否 制造商:NXP Semiconductors 邏輯類型:CMOS 邏輯系列:HC 電路數(shù)量:1 最大時鐘頻率:36 MHz 傳播延遲時間: 高電平輸出電流:- 7.8 mA 低電平輸出電流:7.8 mA 電源電壓-最大:6 V 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-38 封裝:Tube |
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