参数资料
| 型号： | SY100E337JZ TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | IC TXRX BUS 3BIT SCAM REG 28PLCC |
| 标准包装： | 750 |
| 系列： | 100E |
| 逻辑类型： | 收发器，非反相 |
| 元件数： | 1 |
| 每个元件的位元数： | 3 |
| 电源电压： | 4.2 V ~ 5.5 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-LCC（J 形引线） |
| 供应商设备封装： | 28-PLCC |
| 包装： | 带卷 (TR) |
| 其它名称： | SY100E337JZTR SY100E337JZTR-ND |
1
SY10E337
SY100E337
Micrel, Inc.
M9999-032206
hbwhelp@micrel.com or (408) 955-1690
FEATURES
s 1500ps max. clock to bus (data transmit)
s 1000ps max. clock to Q (data receive)
s Extended 100E VEE range of –4.2V to –5.5V
s 25
cutoff bus outputs
s 50
receiver outputs
s Scannable implementation of E336
s Synchronous and asynchronous bus enables
s Non-inverting data path
s Bus outputs feature internal edge slow-down
capacitors
s Additional package ground pins
s Fully compatible with industry standard 10KH,
100K ECL levels
s Internal 75K
input pulldown resistors
s Fully compatible with Motorola MC10E/100E337
s Available in 28-pin PLCC package
3-BIT SCANNABLE
REGISTERED BUS
TRANSCEIVER
DESCRIPTION
The SY10/100E337 are 3-bit registered bus transceivers
with scan designed for use in new, high- performance ECL
systems. The bus outputs (BUS0–BUS2) are designed to
drive a 25
bus; the receive outputs (Q0–Q2) are designed
for 50
. The bus outputs feature a normal logic HIGH level
(VOH) and a cutoff LOW level of –2.0V and the output
emitter-follower is “off”, presenting a high impedance to the
bus. The bus outputs also feature edge slow-down
capacitors.
Both drive and receive sides feature the same logic,
including a loopback path to hold data. The LOAD/HOLD
function is controlled by Transmit Enable (TEN) and Receive
Enable (REN) on the
transmit and receive sides,
respectively, with a HIGH selecting LOAD. The
implementation of the E337 Receive Enable differs from
that of the E336.
A synchronous bus enable (SBUSEN) is provided for
normal, non-scan operation. The asynchronous bus disable
(ABUSDIS) disables the bus for scan mode.
The SYNCEN input allows either synchronous or
asynchronous re-enabling after disabling with ABUSDIS.
An alternative use is asynchronous-only operation with
ABUSDIS, in which case SYNCEN is tied LOW. SYNCEN
is implemented as an overriding SET control to the enable
flip-flop.
Scan mode is selected by a logic HIGH at the SCAN
input. Scan input data is shifted in through S-IN, and output
data appears at the Q2 output.
All registers are clocked on the rising edge of CLK.
Additional lead-frame grounding is provided through the
ground pins (GND) which should be connected to 0V. The
GND pins are not electrically connected to the chip.
SY10E337
SY100E337
Pin
Function
A0–A2
Data Inputs A
B0–B2
Data Inputs B
S-IN
Serial (Scan) Data Input
TEN, REN
LOAD/HOLD Controls
SCAN
Scan Control
ABUSDIS
Asynchronous Bus Disable
SBUSEN
Synchronous Bus Enable
SYNCEN
Synchronous Enable Control
CLK
Clock
BUS0–BUS2
25
Cutoff BUS Outputs
Q0–Q2
Receive Data Outputs (Q2 serves as
SCAN_OUT in scan mode)
VCCO
VCC to Output
PIN NAMES
Rev.: F
Amendment: /0
Issue Date:
March 2006
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