SY10E137JCTR datasheet, PDF - EEWORLD Datasheet

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SY10E137JCTR: Description8-BIT RIPPLE COUNTER; Categorylogic logic; File Size65KB，5 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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SY10E137JCTR Overview

8-BIT RIPPLE COUNTER

SY10E137JCTR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Microchip
package instruction	QCCJ, LDCC28,.5SQ
Reach Compliance Code	_compli
Other features	COMPLEMENTARY OUTPUTS
Counting direction	UP
series	10E
JESD-30 code	S-PQCC-J28
JESD-609 code	e0
length	11.48 mm
Load/preset input	NO
Logic integrated circuit type	BINARY COUNTER
Maximum Frequency@Nom-Su	1800000000 Hz
Operating mode	ASYNCHRONOUS
Humidity sensitivity level	1
Number of digits	8
Number of functions	1
Number of terminals	28
Maximum operating temperature	85 °C
Minimum operating temperature
Output characteristics	OPEN-EMITTER
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Encapsulate equivalent code	LDCC28,.5SQ
Package shape	SQUARE
Package form	CHIP CARRIER
method of packing	TAPE AND REEL
Peak Reflow Temperature (Celsius)	240
power supply	-5.2 V
Maximum supply current (ICC)	145 mA
propagation delay (tpd)	4.8 ns
Certification status	Not Qualified
Maximum seat height	4.57 mm
surface mount	YES
technology	ECL
Temperature level	OTHER
Terminal surface	Tin/Lead (Sn85Pb15)
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
Trigger type	POSITIVE EDGE
width	11.48 mm
minfmax	1800 MHz

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Micrel, Inc.

8-BIT RIPPLE

COUNTER

SY10E137

SY100E137

SY10E137

SY100E137

FEATURES

1.8GHz min. count frequency

Extended 100E V

range of –4.2V to –5.5V

Synchronous and asynchronous enable pins

Differential clock input and data output pins

output for single-ended use

Asynchronous Master Reset

DESCRIPTION

The SY10/100E137 are very high speed binary ripple

counters. The two least significant bits were designed

with very fast edge rates, while the more significant bits

maintain standard ECLinPS output edge rates. This allows

the counters to operate at very high frequencies, while

maintaining a moderate power dissipation level.

The devices are ideally suited for multiple frequency

clock generation, as well as for counters in high-

performance ATE time measurement boards.

Both asynchronous and synchronous enables are

available to maximize the device's flexibility for various

applications. The asynchronous enable input, A_Start,

when asserted, enables the counter while overriding any

synchronous enable signals. The E137 features XOR'ed

enable inputs, EN

and EN

, which are synchronous to

the CLK input. When only one synchronous enable is

asserted, the counter becomes disabled on the next CLK

transition. All outputs remain in the previous state poised

for the other synchronous enable or A_Start to be

asserted in order to re-enable the counter. Asserting

both synchronous enables causes the counter to become

enabled on the next transition of the CLK. EN

(or EN

)

and CLK edges are coincident. Sufficient delay has been

inserted in the CLK path (to compensate for the XOR

gate delay and the internal D-flip-flop set-up time) to

ensure that the synchronous enable signal is clocked

correctly; hence, the counter is disabled.

The E137 can also be driven single-endedly utilizing

the V

output supply as the voltage reference for the

CLK input signal. If a single-ended signal is to be used,

the V

pin should be connected to the CLK input and

bypassed to ground via a 0.01µF capacitor. V

can

only source/sink 0.5mA; therefore, it should be used as

a switching reference for the E137 only.

All input pins left open will be pulled LOW via an input

pull-down resistor. Therefore, do not leave the differential

CLK inputs open. Doing so causes the current source

transistor of the input clock gate to become saturated,

thus upsetting the internal bias regulators and

jeopardizing the stability of the device.

The asynchronous Master Reset resets the counter to

an all zero state upon assertion.

Internal 75K

Ω

input pull-down resistors

Available in 28-pin PLCC packge

PIN NAMES

CLK, CLK

–Q

, Q

–Q

A_Start

, EN

CCO

Function

Differential Clock Inputs

Differential Q Outputs

Asynchronous Enable Input

Synchronous Enable Inputs

Asynchronous Master Reset

Switching Reference Output

to Output

M9999-032006

hbwhelp@micrel.com or (408) 955-1690

Rev.: E

Amendment: /0

Issue Date: March 2006

SY10E137JCTR Related Products

	SY10E137JCTR	SY100E137	SY10E137	SY10E137JC	SY10E137_06	SY10E137JZTR	SY100E137JZTR	SY100E137JCTR	SY100E137JC
Description	8-BIT RIPPLE COUNTER	8-BIT RIPPLE COUNTER	8-BIT RIPPLE COUNTER	8-BIT RIPPLE COUNTER	8-BIT RIPPLE COUNTER	8-BIT RIPPLE COUNTER	8-BIT RIPPLE COUNTER	8-BIT RIPPLE COUNTER	8-BIT RIPPLE COUNTER
Is it Rohs certified?	incompatible	-	-	incompatible	-	conform to	conform to	incompatible	-
Maker	Microchip	-	-	Microchip	-	Microchip	Microchip	Microchip	-
package instruction	QCCJ, LDCC28,.5SQ	-	-	QCCJ, LDCC28,.5SQ	-	QCCJ, LDCC28,.5SQ	QCCJ, LDCC28,.5SQ	QCCJ, LDCC28,.5SQ	-
Reach Compliance Code	_compli	-	-	_compli	-	compli	compli	_compli	-
Counting direction	UP	-	-	UP	-	UP	UP	UP	-
series	10E	-	-	10E	-	10E	100E	100E	-
JESD-30 code	S-PQCC-J28	-	-	S-PQCC-J28	-	S-PQCC-J28	S-PQCC-J28	S-PQCC-J28	-
JESD-609 code	e0	-	-	e0	-	e3	e3	e0	-
Load/preset input	NO	-	-	NO	-	NO	NO	NO	-
Logic integrated circuit type	BINARY COUNTER	-	-	BINARY COUNTER	-	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER	-
Maximum Frequency@Nom-Su	1800000000 Hz	-	-	1800000000 Hz	-	1800000000 Hz	1800000000 Hz	1800000000 Hz	-
Operating mode	ASYNCHRONOUS	-	-	ASYNCHRONOUS	-	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	-
Number of digits	8	-	-	8	-	8	8	8	-
Number of functions	1	-	-	1	-	1	1	1	-
Number of terminals	28	-	-	28	-	28	28	28	-
Maximum operating temperature	85 °C	-	-	85 °C	-	85 °C	85 °C	85 °C	-
Package body material	PLASTIC/EPOXY	-	-	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-
encapsulated code	QCCJ	-	-	QCCJ	-	QCCJ	QCCJ	QCCJ	-
Encapsulate equivalent code	LDCC28,.5SQ	-	-	LDCC28,.5SQ	-	LDCC28,.5SQ	LDCC28,.5SQ	LDCC28,.5SQ	-
Package shape	SQUARE	-	-	SQUARE	-	SQUARE	SQUARE	SQUARE	-
Package form	CHIP CARRIER	-	-	CHIP CARRIER	-	CHIP CARRIER	CHIP CARRIER	CHIP CARRIER	-
power supply	-5.2 V	-	-	-5.2 V	-	-5.2 V	-4.5 V	-4.5 V	-
Maximum supply current (ICC)	145 mA	-	-	145 mA	-	145 mA	167 mA	167 mA	-
propagation delay (tpd)	4.8 ns	-	-	4.8 ns	-	4.8 ns	4.8 ns	4.95 ns	-
Certification status	Not Qualified	-	-	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified	-
surface mount	YES	-	-	YES	-	YES	YES	YES	-
technology	ECL	-	-	ECL	-	ECL	ECL	ECL	-
Temperature level	OTHER	-	-	OTHER	-	OTHER	OTHER	INDUSTRIAL	-
Terminal surface	Tin/Lead (Sn85Pb15)	-	-	Tin/Lead (Sn85Pb15)	-	Matte Tin (Sn)	Matte Tin (Sn)	Tin/Lead (Sn/Pb)	-
Terminal form	J BEND	-	-	J BEND	-	J BEND	J BEND	J BEND	-
Terminal pitch	1.27 mm	-	-	1.27 mm	-	1.27 mm	1.27 mm	1.27 mm	-
Terminal location	QUAD	-	-	QUAD	-	QUAD	QUAD	QUAD	-
Trigger type	POSITIVE EDGE	-	-	POSITIVE EDGE	-	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE	-
minfmax	1800 MHz	-	-	1800 MHz	-	1800 MHz	1800 MHz	2200 MHz	-

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