HC55121IBZ Intersil, HC55121IBZ Datasheet - Page 34
![](/photos/30/93/309331/28pin_soic_sml.jpg)
HC55121IBZ
Manufacturer Part Number
HC55121IBZ
Description
Manufacturer
Intersil
Datasheet
1.HC55121IBZ.pdf
(36 pages)
Specifications of HC55121IBZ
Number Of Channels
1
On-hook Transmission
Yes
Polarity Reversal
Yes
On-chip Ring Relay Driver
Yes
Longitudinal Balanced
53
Operating Supply Voltage (typ)
5V
Operating Temp Range
-40C to 85C
Loop Current Limit
30mA
Operating Temperature Classification
Industrial
Pin Count
28
Mounting
Surface Mount
Operating Current
2.7mA
Operating Supply Voltage (max)
5.25V
Operating Supply Voltage (min)
4.75V
Lead Free Status / RoHS Status
Compliant
Small Outline Plastic Packages (SOIC)
NOTES:
10. Controlling dimension: MILLIMETER. Converted inch dimen-
N
1
1. Symbols are defined in the “MO Series Symbol List” in Section 2.2
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate
4. Dimension “E” does not include interlead flash or protrusions. In-
5. The chamfer on the body is optional. If it is not present, a visual
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. The lead width “B”, as measured 0.36mm (0.014 inch) or greater
0.25(0.010)
of Publication Number 95.
burrs. Mold flash, protrusion and gate burrs shall not exceed
0.15mm (0.006 inch) per side.
terlead flash and protrusions shall not exceed 0.25mm (0.010
inch) per side.
index feature must be located within the crosshatched area.
above the seating plane, shall not exceed a maximum value of
0.61mm (0.024 inch)
sions are not necessarily exact.
2
-A-
INDEX
AREA
3
e
B
D
M
HC55120, HC55121, HC55130, HC55140, HC55142, HC55143, HC55150
C A
SEATING PLANE
M
-C-
E
-B-
B S
A
34
H
A1
α
0.10(0.004)
0.25(0.010)
M
L
h x 45
B
M
o
C
M28.3
28 LEAD WIDE BODY SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
A1
A
B
C
D
E
H
N
α
e
h
L
(JEDEC MS-013-AE ISSUE C)
0.0926
0.0040
0.013
0.0091
0.6969
0.2914
0.394
0.01
0.016
MIN
0
o
0.05 BSC
INCHES
28
0.1043
0.0118
0.0200
0.0125
0.7125
0.2992
0.419
0.029
0.050
MAX
8
o
17.70
10.00
MILLIMETERS
2.35
0.10
0.33
0.23
7.40
0.25
0.40
MIN
0
o
1.27 BSC
28
18.10
10.65
MAX
2.65
0.30
0.51
0.32
7.60
0.75
1.27
8
o
Rev. 0 12/93
June 1, 2006
NOTES
FN4659.13
9
3
4
5
6
7
-
-
-
-
-
-