SY10H641LC - Micrel, Inc. - Datasheet.Directory

DESCRIPTION

FEATURES

ClockWorks™

SY10H641L

SY100H641L

FINAL

■3.3V power supply

■PECL-to-TTL version of popular ECLinPS E111

■Guaranteed low skew specification

■Latched input

■Differential ECL internal design

■VBB output for single-ended operation

■Reset/enable

■Extra TTL and ECL power/ground pins

■Choice of ECL compatibility: MECL 10KH (10Hxxx)

or 100K (100Hxxx)

■Available in 28-pin PLCC package

The SY10/100H641L are single supply, low skew

translating 1:9 clock drivers. Devices in the Micrel-

Synergy H600 translator series utilize the 28-lead PLCC

for optimal power pinning, signal flow-through and

electrical performance.

The devices feature a 24mA TTL output stage with

AC performance specified into a 20pF load capacitance.

A latch is provided on-chip. When LEN is LOW (or left

open, in which case it is pulled LOW by the internal pull-

downs), the latch is transparent. A HIGH on the enable

pin (/EN) forces all outputs LOW.

The 10H version is compatible with MECL 10KH ECL

logic levels. The 100H version is compatible with 100K

levels.

3.3V SINGLE SUPPLY

1:9 PECL-TO-TTL

567891011

TOP VIEW

PLCC

25 24 23 22 21 20 19

LEN

PIN CONFIGURATION

BLOCK DIAGRAM

LEN

PECL Input

TTL Outputs

Pin Function

GTTTL Ground (0V)

VTTTL VCC (+3.0V)

VEECL VCC (+3.0V)

GEECL Ground (0V)

D, /D Signal Input (PECL)

VBB VBB Reference Output (PECL)

Q0 – Q8Signal Outputs (TTL)

/EN Enable Input (PECL)

LEN Latch Enable Input (PECL)

PIN NAMES

1Rev.: E Amendment: /0

Issue Date: March 2002

ClockWorks™

SY10H641L

SY100H641L

Micrel

D LEN /EN Q

LL LL

HL LH

XH LQ0

XX HL

TRUTH TABLE

Symbol Rating Value Unit

VE (ECL) Power Supply –0.5 to +7.0 V

VT (TTL) Voltage –0.5 to +7.0

VI (ECL) Input Voltage 0.0 to VEV

VOUT (TTL) Disabled 3-State 0.0 to VTV

Output

IOUT (ECL) Output Current mA

- Continuous 50

- Surge 100

Tstore Storage Temperature –65 to +150 °C

TAOperating Temperature 0 to +85 °C

ABSOLUTE MAXIMUM RATINGS(1)

NOTE:

1. Do not exceed.

DC ELECTRICAL CHARACTERISTICS

VT = VE = +3.0V to +3.6V

TA = 0°CTA = +25°CTA = +85°C

Symbol Parameter Min. Max. Min. Max. Min. Max. Unit Condition

IEE Power Supply Current ECL — 30 — 30 — 30 mA VE Pin

ICCH TTL — 30 — 30 — 30 Total all VT pins

ICCL —35 —35 — 35

TTL DC ELECTRICAL CHARACTERISTICS

VT = VE = +3.0V to +3.6V

TA = 0°CTA = +25°CTA = +85°C

Symbol Parameter Min. Max. Min. Max. Min. Max. Unit Condition

VOH Output HIGH Voltage 2.0 — 2.0 — 2.0 — V IOH = –3.0mA

VOL Output LOW Voltage — 0.5 — 0.5 — 0.5 V IOL = 24mA

IOS Output Short Circuit Current –100 — –100 — –100 — mA VOUT = 0V

VT = VE = +3.0V to +3.6V

TA = 0°CTA = +25°CTA = +85°C

Symbol Parameter Min. Max. Min. Max. Min. Max. Unit Condition

IIH Input HIGH Current — 225 — 175 — 175 µA—

IIL Input LOW Current 0.5 — 0.5 — 0.5 — µA—

VIH Input HIGH Voltage(1) 2.130 2.460 2.170 2.490 2.240 2.580 V VE = 3.3V

VIL Input LOW Voltage(1) 1.350 1.820 1.350 1.820 1.350 1.855 V VE = 3.3V

VBB Output Reference Voltage(1) 1.920 2.030 1.950 2.050 1.990 2.110 V VE = 3.3V

NOTE:

1. VIH, VIL and VBB are referenced to VE and will vary 1:1 with the power supply. The levels shown are for VE = +3.3V.

10H ECL DC ELECTRICAL CHARACTERISTICS

ClockWorks™

SY10H641L

SY100H641L

Micrel

100H ECL DC ELECTRICAL CHARACTERISTICS

VT = VE = +3.0V to +3.6V

TA = 0°CTA = +25°CTA = +85°C

Symbol Parameter Min. Max. Min. Max. Min. Max. Unit Condition

IIH Input HIGH Current — 225 — 175 — 175 µA—

IIL Input LOW Current 0.5 — 0.5 — 0.5 — µA—

VIH Input HIGH Voltage(1) 2.135 2.420 2.135 2.420 2.135 2.420 V VE = 3.3V

VIL Input LOW Voltage(1) 1.490 1.825 1.490 1.825 1.490 1.825 V VE = 3.3V

VBB Output Reference Voltage(1) 1.920 2.040 1.920 2.040 1.920 2.040 V VE = 3.3V

NOTE:

1. VIH, VIL and VBB are referenced to VE and will vary 1:1 with the power supply. The levels shown are for VE = +3.3V.

AC ELECTRICAL CHARACTERISTICS

VT = VE = +3.0V to +3.6V

TA = 0°CTA = +25°CTA = +85°C

Symbol Parameter Min. Max. Min. Max. Min. Max. Unit Condition

tPLH Propagation Delay 2.0 3.0 2.0 3.0 2.0 3.0 ns CL = 20pF

tPHL D to Output 2.5 3.5 2.5 3.5 2.5 3.5

tskpp Part-to-Part Skew(1,4) — 0.5 — 0.5 — 0.5 ns CL = 20pF

tskew++ Within-Device Skew(2,3,4) — 0.3(7) — 0.3(7) — 0.3(7) ns CL = 20pF

tskew– – — 0.35(8) — 0.35(8) — 0.35(8) ns CL = 20pF

tPLH Propagation Delay 2.0 3.5 2.0 3.5 2.0 3.5 ns CL = 20pF

tPHL LEN to Output

tPLH Propagation Delay 2.0 3.5 2.0 3.5 2.0 3.5 ns CL = 20pF

tPHL /EN to Output

trOutput Rise/Fall Time — 1.7 — 1.7 — 1.7 ns CL = 20pF

tf1.0V to 2.0V — 1.6 — 1.6 — 1.6

fMAX Maximum Input Frequency(5,6) 135 — 135 — 135 — MHz

— Pulse Width 1.5 — 1.5 — 1.5 — ns —

— Recovery Time 1.25 — 1.25 — 1.25 — ns —

tSSet-up Time 0.5 (typ.) 0.5 (typ.) 0.5 (typ.) ns —

tHHold Time 0.5 (typ.) 0.5 (typ.) 0.5 (typ.) ns —

NOTES:

1. Device-to-Device Skew considering HIGH-to-HIGH transitions at common VCC level.

2. Within-Device Skew considering HIGH-to-HIGH transitions at common VCC level.

3. Within-Device Skew considering LOW-to-LOW transitions at common VCC level.

4. All skew parameters are guaranteed but not tested.

5. Frequency at which output levels will meet a 0.8V to 2.0V minimum swing.

6. The fMAX value is specified as the minimum guaranteed maximum frequency. Actual operational maximum frequency may be greater.

7. VT = VE = +3.15V to +3.45V, (i.e. VE +/– 5%).

8. VT = VE = +3.0V to +3.6V, (i.e. VE +/– 10%).

ClockWorks™

SY10H641L

SY100H641L

Micrel

TTL SWITCHING CIRCUIT

PULSE

GENERATOR IN OUT

PECL

& V

CCO

TTL

DEVICE

UNDER

TEST

CH A

OSCILLOSCOPE

CH B

50Ω COAX

450Ω

USE 0.1µF CAPACITORS

FOR DECOUPLING.

USE OSCILLOSCOPE

INTERNAL 50Ω LOAD

FOR TERMINATION.

50Ω COAX 50Ω COAX

ECL/TTL PROPAGATION DELAY — SINGLE ENDED

OUT

50%

1.5V

pd++

pd–

–

ECL/TTL WAVEFORMS: RISE AND FALL TIMES

OUT

rise

fall

2.0V

0.8V

LOGIC DIAGRAM

PRODUCT ORDERING CODE

Ordering Package Operating Marking

Code Type Range Code

SY10H641LC J28-1 Commercial SY10H641LC

SY10H641LJCTR* J28-1 Commercial SY10H641LC

SY100H641LJC J28-1 Commercial SY100H641LJC

SY100H641LJCTR* J28-1 Commercial SY100H641LJC

*Tape and Reel

ClockWorks™

SY10H641L

SY100H641L

Micrel

28 LEAD PLCC (J28-1)

Rev. 03

MICREL-SYNERGY 3250 SCOTT BOULEVARD SANTA CLARA CA 95054 USA

TEL + 1 (408) 980-9191 FAX + 1 (408) 914-7878 WEB http://www.micrel.com

This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or

other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc.