M74HC4851 Package information
Doc ID 8640 Rev 7 13/16
3.1 SO-16 package information
Figure 12. SO-16 package outline
Table 10. SO-16 mechanical data
Symbol
Dimensions
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 1.75 0.069
A1 0.10 0.25 0.004 0.010
A2 1.25 0.049
b 0.31 0.51 0.012 0.020
c 0.17 0.25 0.007 0.010
D 9.80 9.90 10.00 0.386 0.390 0.394
E 5.80 6.00 6.20 0.228 0.236 0.244
E1 3.80 3.90 4.00 0.150 0.154 0.157
e 1.27 0.050
h 0.25 0.50 0.010 0.020
L 0.40 1.27 0.016 0.050
k0 8
ccc 0.10 0.004
Package information M74HC4851
14/16 Doc ID 8640 Rev 7
3.2 TSSOP16 package information
Figure 13. TSSOP16 package outline
Table 11. TSSOP16 mechanical data
Symbol
Dimensions
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 1.20 0.047
A1 0.05 0.15 0.002 0.006
A2 0.80 1.00 1.05 0.031 0.039 0.041
b 0.19 0.30 0.007 0.012
c 0.09 0.20 0.004 0.008
D 4.90 5.00 5.10 0.193 0.197 0.201
E 6.20 6.40 6.60 0.244 0.252 0.260
E1 4.30 4.40 4.50 0.169 0.173 0.177
e 0.65 0.0256
k0° 8°0° 8°
L 0.45 0.60 0.75 0.018 0.024 0.030
L1 1.00 0.039
aaa 0.10 0.004
M74HC4851 Revision history
Doc ID 8640 Rev 7 15/16
4 Revision history
Table 12. Document revision history
Date Revision Changes
05-Apr-2012 4
Document reformatted.
Added ESD charged device model feature on cover page.
Added ESD values to Table 4: Absolute maximum ratings.
Modified Chapter 3: Package information.
Modified Chapter 4: Ordering information.
11-May-2012 5
Added automotive-grade part number M74HC4851YRM13TR to
Table 12.: Order codes.
Added Table 1.: Device summary and Modified Description text on
coverpage.
15-Jun-2012 6
Updated Table 1: Device summary and Table 12: Order codes.
Corrected ON resistance values in Features on page 1
Updated T
op
in Table 5: Recommended operating conditions
Added footnote 1 to Table 1: Device summary
26-Oct-2012 7
Updated ESD values in Features.
Updated Ta bl e 1 (added packaging and marking, updated note 1.)
Removed Table 12: Order codes (Section 4: Ordering information).
Minor corrections throughout document.

M74HC4851B1R

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 8-Ch Ana Multi/Demul
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union