PMB2313T Просмотр технического описания (PDF) - Siemens AG
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PMB2313T Datasheet PDF : 19 Pages
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The differential inputs of the IC may be connected either balanced or single ended. In the latter case
the unused input must be RF-grounded with a capacitor (about 1.5 nF) with a low serial inductance.
Depending on the logic level at SW input the basic divide ratio of the ECL-stages is fixed to 1:64/65
or 1:128/129. The MOD input determines whether modulus 1:n or 1:n+1 (n=64 or 128 according to
SW-level) is active.
The IC can be switched to a low-power standby mode (input STB).
The MOD input is TTL/CMOS compatible.
The emitter follower output is CMOS compatible according to the application circuit on page 11. The
minimum logic swing is 0.8 Vpp.
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HIGH = US-0.1 V to US
1:64/65
LOW = GND to 0.8 V or open 1:128/129
HIGH = 2.0 V to US or open 1:64/1:128
LOW = GND to 0.8 V
1:65/1:129
HIGH = US-0.1 V to US
LOW = GND to 0.8 V
Divider
Q=HIGH, STANDBY-mode
Semiconductor Group
4
7.96
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