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參數(shù)資料
| 型號： | SY89295UMI |
| 廠商： | MICREL INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 2.5V / 3.3V 1.5 GHZ PRECISION LVPECL PROGRAMMABLE DELAY |
| 中文描述： | ACTIVE DELAY LINE, COMPLEMENTARY OUTPUT, QCC32 |
| 封裝： | 5 X 5 MM, MLF-32 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 169K |
| 代理商： | SY89295UMI |
4
Precision Edge
SY89295U
Micrel
M9999-031604
hbwhelp@micrel.com or (408) 955-1690
Pin Number
Pin Name
Pin Function
23, 25, 26, 27, 29,
30, 31, 32, 1, 2
D[9:0]
CMOS, ECL, or TTL Control Bits: These control signals adjust the delay from IN to Q.
See
“
AC Electrical Characteristics
”
for delay values. In addition, see
“
Interface Applications
”
section which illustrates the proper interfacing techniques for different logic standards.
D[9:0] contains pull-downs and defaults LOW when left floating. D0 (LSB), and D9 (MSB).
See
“
Typical Operating Characteristics
”
for delay information.
3
D10
CMOS, ECL, or TTL Control Bit: This bit is used to cascade devices for an extended delay
range. In addition, it drives CASCADE, and /CASCADE. Further, D[10] contains a pull-
down and defaults LOW when left floating.
LVPECL/ECL Signal Input: Input signal to be delayed. IN contains a 75k
pull-down and
will default to a logic LOW if left floating.
4, 5
IN, /IN
6
VBB
(1)
Reference Voltage Output: When using a single-ended input signal source to IN or /IN,
connect the unused input of the differential pair to this pin. This pin can also be used to
rebias AC-coupled inputs to IN and /IN. When used, de-couple to V
CC
using a 0.01
μ
F
capacitor, otherwise leave floating if not used. Maximum sink/source is
±
0.5mA.
Reference Voltage Output: Connect this pin to V
CF
when D[9:0], and D[10] is ECL.
Logic Standard
V
CF
Connects to
LVPECL
V
EF
,
(1)
CMOS
No Connect
TTL
1.5V Source
7
VEF
8
VCF
Reference Voltage Input: The voltage driven on V
CF
sets the logic transition threshold for
D[9:0], and D[10].
9, 24, 28
GND,
Negative Supply: For MLF
package, exposed pad must be connected to a ground plane
that is the same potential as the ground pin.
Exposed Pad
(2)
10
LEN
ECL Control Input: When HIGH latches the D[9:0] and D[10] bits. When LOW, the D[9:0]
and D[10] latches are transparent.
11
SETMIN
ECL Control Input: When HIGH, D[9:0] registers are reset. When LOW, the delay is set
by SETMAX or D[9:0] and D[10]. SETMIN contains a pull-down and defaults LOW when
left floating.
12
SETMAX
ECL Control Input: When SETMAX is set HIGH and SETMIN is set LOW, D[9:0] =
10
’
b1111111111. When SETMAX is LOW, the delay is set by SETMIN or D[9:0] and
D[10]. SETMAX contains a pull-down and defaults LOW when left floating.
Positive Power Supply: Bypass with 0.1
μ
F and 0.01
μ
F low ESR capacitors.
LVPECL Differential Output: The outputs are used when cascading two or more
SY89295U to extend the delay range.
13, 18, 19, 22
VCC
14, 15
/Cascade,
Cascade
16
/EN
LVPECL Single-Ended Control Input: When LOW, Q is delayed from IN. When HIGH,
Q is a differential LOW. /EN contains a pull-down and defaults LOW when left floating.
20, 21
/Q, Q
LVPECL Differential Output: Q is a delayed version of IN. Always terminate the
output with 50
to V
CC
–
2V. See
“
Output Interface Applications
”
section.
No Connect.
17
NC
Notes:
1. Single-ended operation is only functional at 3.3V.
2. MLF
package only.
PIN DESCRIPTION
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| SY89295UMITR | 2.5V / 3.3V 1.5 GHZ PRECISION LVPECL PROGRAMMABLE DELAY |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY89295UMI TR | 功能描述:IC DELAY LINE 1024TAP 32-MLF RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 延遲線 系列:Precision Edge® 標(biāo)準(zhǔn)包裝:2,500 系列:- 標(biāo)片/步級數(shù):- 功能:多個，不可編程 延遲到第一抽頭:10ns 接頭增量:- 可用的總延遲:10ns 獨(dú)立延遲數(shù):4 電源電壓:4.75 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
| SY89295UMITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5V / 3.3V 1.5 GHZ PRECISION LVPECL PROGRAMMABLE DELAY |
| SY89295UTG | 功能描述:延遲線/計時元素 2.5V/3.3V PECL Delay Line (I Temp, Green) RoHS:否 制造商:Micrel 功能:Active Programmable Delay Line 傳播延遲時間:1000 ps 工作溫度范圍: 封裝 / 箱體:QFN-24 封裝:Tube |
| SY89295UTG TR | 功能描述:延遲線/計時元素 2.5V/3.3V PECL Delay Line (I Temp, Green) RoHS:否 制造商:Micrel 功能:Active Programmable Delay Line 傳播延遲時間:1000 ps 工作溫度范圍: 封裝 / 箱體:QFN-24 封裝:Tube |
| SY89295UTGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5V/3.3V 1.5GHz PRECISION LVPECL PROGRAMMABLE DELAY |
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