參數資料
| 型號： | SY10E136JZTR |
| 廠商： | Micrel Inc |
| 文件頁數： | 1/9頁 |
| 文件大小： | 0K |
| 描述： | IC COUNTER U/D 6BIT UNIV 28-PLCC |
| 標準包裝： | 750 |
| 系列： | 10E |
| 邏輯類型： | 二進制計數器 |
| 方向： | 上，下 |
| 元件數： | 1 |
| 每個元件的位元數： | 6 |
| 復位： | 異步 |
| 計時： | 同步 |
| 計數速率： | 650MHz |
| 觸發器類型： | 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） |
| 供應商設備封裝： | 28-PLCC |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SY10E136JZ TR |
1
SY10E136
SY100E136
Micrel, Inc.
M9999-032006
hbwhelp@micrel.com or (408) 955-1690
Pin
Function
D0–D5
Preset Data Inputs
Q0–Q5
Differential Data Outputs
S1, S2
Mode Control Pins
MR
Master Reset
CLK
Clock Input
COUT, COUT
Carry Out Output (Active LOW)
CLOUT
Look-Ahead-Carry Output
CIN
Carry-In Input (Active LOW)
CLIN
Look-Ahead-Carry Input
VCCO
VCC to Output
DESCRIPTION
FEATURES
s 550MHz count frequency
s Extended 100E VEE range of –4.2V to –5.5V
s Look-ahead-carry input and output
s Fully synchronous up and down counting
s Asynchronous Master Reset
s Internal 75K
input pull-down resistors
s Available in 28-pin PLCC package
The SY10/100E136 are 6-bit synchronous, presettable,
cascadable universal counters. These devices generate
a look-ahead-carry output and accept a look-ahead-carry
input. These two features allow for the cascading of
multiple E136s for wider bit width counters that operate
at very nearly the same frequency as the stand-alone
counter.
The CLOUT output will pulse LOW for one clock cycle
one count before the E136 reaches terminal count. The
COUT output will pulse LOW for one clock cycle when
the counter reaches terminal count. For more information
on utilizing the look-ahead-carry features of the device,
please refer to the applications section of this data sheet.
The differential COUT output facilitates the E136's use in
programmable divider and self-stopping counter
applications.
Unlike the H136 and other similar universal counter
designs, the E136 carry-out and look-ahead-carry-out
signals are registered on chip. This design alleviates the
glitch problem seen on many counters where the carry-
out signals are merely gated. Because of this architecture,
there are some minor functional differences between the
E136 and H136 counters. The user, regardless of
familiarity with the H136, should read this data sheet
carefully. Note specifically (see block diagram) the
operation of the carry-out outputs and the look-ahead-
carry-in input when utilizing the Master Reset.
When left open, all of the input pins will be pulled
LOW via an input pulldown resistor. The Master Reset is
an asynchronous signal which, when asserted, will force
the Q outputs LOW.
The Q outputs need not be terminated for the E136 to
function properly. In fact, if these outputs will not be
used in a system, it is recommended that they be left
open to save power and minimize noise. This practice
will minimize switching noise which can reduce the
maximum count frequency of the device, or significantly
reduce margins against other noise in the system.
PIN NAMES
SY10E136
SY100E136
6-BIT UNIVERSAL
UP/DOWN COUNTER
Rev.: F
Amendment: 0
Issue Date:
March 2006
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| 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 標準包裝:1,000 系列:- 邏輯類型:移位寄存器 輸出類型:差分 元件數:1 每個元件的位元數: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） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) |
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