参数资料
| 型号： | SY89295UTG TR |
| 厂商： | Micrel Inc |
| 文件页数： | 13/17页 |
| 文件大小： | 0K |
| 描述： | IC DELAY LINE 1024TAP 32-TQFP |
| 标准包装： | 1,000 |
| 系列： | Precision Edge® |
| 标片/步级数： | 1024 |
| 功能： | 可编程 |
| 延迟到第一抽头： | 3.2ns |
| 接头增量： | 10ps |
| 可用的总延迟： | 3.2ns ~ 14.8ns |
| 独立延迟数： | 1 |
| 电源电压： | 2.375 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-TQFP |
| 供应商设备封装： | 32-TQFP |
| 包装： | 带卷 (TR) |
| 其它名称： | SY89295UTGTR SY89295UTGTR-ND |
Micrel, Inc.
SY89295U
March 2011
5
M9999-032511
hbwhelp@micrel.com or (408) 955-1690
Pin Description
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.
4, 5
IN, /IN
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.
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
re-bias AC-coupled inputs to IN and /IN. When used, de-couple to VCC using a 0.01F
capacitor, otherwise leave floating if not used. Maximum sink/source is ±0.5mA.
Reference Voltage Output: Connect this pin to VCF when D[9:0], and D[10] is ECL..
Logic Standard
VCF Connects to:
LVPECL
VEF,
(1)
CMOS
No Connect
7
VEF
TTL
1.5V Source
8
VCF
Reference Voltage Input: The voltage driven on VCF sets the logic transition threshold for
D[9:0], and D[10].
9, 24, 28
GND,
Exposed Pad(2)
Negative Supply: For MLF
package, exposed pad must be connected to a ground plane
that is the same potential as the ground pin.
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] =
1111111111. 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.
13, 18, 19, 22
VCC
Positive Power Supply: Bypass with 0.1F and 0.01F low ESR capacitors.
14, 15
/Cascade,
Cascade
LVPECL Differential Output: The outputs are used when cascading two or more
SY89295U to extend the delay range.
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 VCC – 2V. See “Output Interface Applications” section.
17
NC
No Connect.
Notes:
1. Single-ended operation is only functional at 3.3V.
2. MLF
package only.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SY89295UTI | 功能描述:IC DELAY LINE 1024TAP 32-TQFP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 延迟线 系列:Precision Edge® 标准包装:2,500 系列:- 标片/步级数:- 功能:多个，不可编程 延迟到第一抽头:10ns 接头增量:- 可用的总延迟:10ns 独立延迟数:4 电源电压:4.75 V ~ 5.25 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:带卷 (TR) |
| SY89295UTI TR | 功能描述:IC DELAY LINE 1024TAP 32-TQFP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 延迟线 系列:Precision Edge® 标准包装:2,500 系列:- 标片/步级数:- 功能:多个，不可编程 延迟到第一抽头:10ns 接头增量:- 可用的总延迟:10ns 独立延迟数:4 电源电压:4.75 V ~ 5.25 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:带卷 (TR) |
| SY89295UTITR | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:2.5V/3.3V 1.5GHz PRECISION LVPECL PROGRAMMABLE DELAY |
| SY89296U | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:2.5V/3.3V 1.5GHz PRECISION LVPECL PROGRAMMABLE DELAY WITH FINE TUNE CONTROL |
| SY89296U_11 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:2.5V/3.3V 1.5GHz Precision LVPECL Programmable Delay |
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