mk50h27 STMicroelectronics, mk50h27 Datasheet - Page 45

• Manufacturer Part Number: mk50h27
• Description: Signalling System 7 Link Controller
• Manufacturer: STMicroelectronics

Figure 5a: TTL Output Load Diagram
Figure 6: MK50H27 Serial Link Timing Diagram
FROM
OUTPUT
UNDER
TEST
NOTE: This load is used on all outputs except INTR, HOLD, READY.
RCLK
TCLK
RD
TD
C
TIMING MEASUREMENTS ARE MADE AT THE FOLLOWING VOLTAGES,
UNLESS OTHERWISE SPECIFIED:
OUTPUT
INPUT
FLOAT
L
POINT
TEST
0.4 mA
12
CR 1
2.0 V
2.0 V
10 %
”1”
Vcc
CR
CR
CR
R1 = 1.2 K
CR1 - CR4 = 1N914 or EQUIV
2
3
4
19
Figure 5b: Open Drain Output Load Diagram
O.8 V
O.8 V
90 %
8
”0”
15
C = 50pF min @ 1 MHz
L
10
16
21
13
6
18
11
20
NOTE: This load is used on open
drain outputs INTR, HOLD, READY.
FROM
OUTPUT
UNDER
TEST
14
7
9
17
Vcc
R1 = 1.4 K
MK50H27
C
L
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