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PDF SY100HA643 Data sheet ( Hoja de datos )
| Número de pieza | SY100HA643 | |
| Descripción | Enhanced Dual-supply Ecl-to-ttl 1:8 Clock Driver | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SY100HA643 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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DUAL SUPPLY
OCTAL ECL-TO-TTL
ClockWorks™
SY100HA643
FINAL
FEATURES
s ECL/TTL version of popular ECLinPS™ E111
s 400ps within device skew
s 800ps part-to-part skew
s Latch
s Differential internal design
s VBB output
s Dual supply
s Reset/Enable
s Multiple TTL and ECL power/ground pins
s Fully compatible with Motorola MC100H643
s Higher performance than H643 versions
s Industrial temperature availability
s Available in 28-pin PLCC package
BLOCK DIAGRAM
DESCRIPTION
The SY100HA643 is an enhanced dual supply, low skew
translating 1:8 clock driver. Devices in the Micrel-Synergy
H600 translators series utilize the 28-lead PLCC for optimal
power pinning, signal flow through and electrical
performance. The dual-supply HA643 is similar to the H641,
which is a single-supply 1:9 version of the same function,
with higher performance than the H643 versions.
The device features a 48mA 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 pulldowns)
the latch is transparent. A HIGH on the enable pin (EN)
forces all outputs LOW.
The 100HA643 is compatible with 100K ECL logic levels.
PIN CONFIGURATION
Q0
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25 24 23 22 21 20 19
Q3 26
18
OGND2
27
17
Q1
Q2
OVT1
28
1
SY100HA643
TOP VIEW
16
15
Q1 2
PLCC
14
OGND1
3
13
Q2
Q0 4
12
5 6 7 8 9 10 11
IVT2
IGND2
VCCE
VCCE
LEN
VBB
D
D
D
VBB
LEN
EN
D
Q
Q3
TTL OUTPUTS
Q4
Q5
Q6
Q7
PIN NAMES
Pin
OGND
OVTTTL
IGND
IVT
VEE
VCCE
D, D
VBB
Q0 - Q7
EN
LEN
1
Function
TTL Output Ground (0V)
Output VCC (+5.0V)
Internal TTL GND (0V)
Internal TTL VCC (+5.0V)
ECL VEE (-5.2/-4.5V)
ECL Ground (0V)
Signal Input (ECL)
VBB Reference Output
Signal Outputs (TTL)
Enable Input (ECL)
Latch Enable Input (ECL)
Rev.: G Amendment: /1
Issue Date: August, 1998
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet SY100HA643.PDF ] | |
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