mc68194 ON Semiconductor, mc68194 Datasheet - Page 23
![no-image](/images/manufacturer_photos/0/4/495/on_semiconductor_sml.jpg)
mc68194
Manufacturer Part Number
mc68194
Description
Carrier Band Modem Cbm
Manufacturer
ON Semiconductor
Datasheet
1.MC68194.pdf
(25 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
mc68194FJ
Manufacturer:
MOTOROLA
Quantity:
34
Company:
Part Number:
mc68194FJ
Manufacturer:
FREESCALE
Quantity:
1 831
Part Number:
mc68194FJ
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
RXSYM0−RXSYM2,
XTAL1, XTAL2
SMREQ*
RXCLK
TXCLK
Figure 9−2. TTL, TXOUT, TXOUT*, Up* & Down* AC Test Load
RXSYM0−RXSYM2,
CBM
(A) TXSYMX, SMREQ* Setup and Hold Timing to TXCLK
TXCLK
2.5 V
SMIND*
(B) RXSYMX, SMIND* Delay Timing to RXCLK
1.5 V
(C) TXCLK Delay Timing to XTAL1, XTAL2
1.5 V
t
1.5 V
setup
t
TXCLK delay
INCLUDES JIG AND PROBE
CAPACITANCE
Figure 9−1. AC Test Waveforms
http://onsemi.com
2.5 V
1.5 V
t
1.5 V
hold
t
RX period
23
15 pF
t
TX period
1.5 V
t
RXSYM delay
t
TTL−
500 Ω
0.5 V
1.5 V
1.5 V
TEST POINT
2.5 V
t
TTL+