Philips Semiconductors
SDH/SONET STM4/OC12 and
1.25 Gbits/s Gigabit Ethernet postamplifiers
Product specification
TZA3044; TZA3044B
handbook, halfpage
(1)
(2)
VCC
VOH(max)
VOH(min)
VOL(max)
VOL(min)
GND
MGS812
(1) Output signal on pin DOUT or pin ST; complementary to output signal (2).
(2) Output signal on pin DOUTQ or pin STQ; complementary to output signal (1)
Fig.4 Logic level symbol definitions for PECL.
handbook, haVlfpCaCge
DIN
4.5 kΩ
2.1 V
DINQ
4.5 kΩ
1 mA
MGR958
1999 Nov 03
Fig.5 Data input circuit DIN and DINQ.
7