DS8925 Datasheet, PDF (7/16 Pages) National Semiconductor (TI) – LocalTalk™ Dual Driver/Triple Receiver

Parameter Measurement Information (Continued)
DS011895-12
Note 4: Generator waveform for all tests unless otherwise specified: f = 500 kHz, Z_O = 50Ω, t_r ≤ 10 ns, t_f ≤ 10 ns.
Note 5: C_L includes probe and jig capacitance.
Note 6: All diodes are 1N916 or equivalent.
Note 7: ESD Rating HBM (1.5 kΩ, 100 pF) pins 10, 12 ≥ 1500V, all other pins ≥ 2000V.
FIGURE 10. Receiver Propagation Delay Waveform
Typical Application Information
FIGURE 11. Typical LocalTalk Application
DS011895-13
Pin#
2, 4
3
Name
D_IN
D_EN1
15
13, 14
9, 11
10, 12
5, 6, 7
8
1
16
D_OUT+
D_OUT−
R_IN+
R_IN−
R_OUT
GND
V_EE
V_CC
TABLE 1. Device Pin Descriptions
Description
TTL Driver Input Pins
Active Low Driver Enable Pin. A High on this Pin TRI-STATES the Driver
Outputs (D1 Only)
Non-Inverting Driver Output Pin
Inverting Driver Output Pin
Non-Inverting Receiver Input Pin
Inverting Receiver Input Pin
Receiver Output Pin
Ground Pin
Negative Power Supply Pin, −5V ±5%
Positive Power Supply Pin, +5V ±5%
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