SN74CBT16245 Datasheet, PDF (1/5 Pages) Texas Instruments – 16-BIT FET BUS SWITCH

D Standard ’16245-Type Pinout
D 5-Ω Switch Connection Between Two Ports
D TTL-Compatible Input Levels
D Package Options Include Plastic Thin
Shrink Small-Outline (DGG), Thin Very
Small-Outline (DGV), and Shrink
Small-Outline (DL) Packages
description
The SN74CBT16245 provides 16 bits of
high-speed TTL-compatible bus switching in a
standard ’16245 device pinout. The low on-state
resistance of the switch allows connections to be
made with minimal propagation delay.
The device is organized as two 8-bit low-impedance
switches with separate output-enable (OE) inputs.
When OE is low, the switch is on and data can flow
from port A to port B, or vice versa. When OE is
high, the switch is open and a high-impedance
state exists between the two ports.
The SN74CBT16245 is characterized for
operation from –40°C to 85°C.
FUNCTION TABLE
(each 8-bit bus switch)
INPUT
OE
FUNCTION
L
A port = B port
H
Disconnect
SN74CBT16245
16-BIT FET BUS SWITCH
SCDS070 – JULY 1998
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
NC 1
1B1 2
1B2 3
GND 4
1B3 5
1B4 6
V_CC 7
1B5 8
1B6 9
GND 10
1B7 11
1B8 12
2B1 13
2B2 14
GND 15
2B3 16
2B4 17
V_CC 18
2B5 19
2B6 20
GND 21
2B7 22
2B8 23
NC 24
48 1OE
47 1A1
46 1A2
45 GND
44 1A3
43 1A4
42 V_CC
41 1A5
40 1A6
39 GND
38 1A7
37 1A8
36 2A1
35 2A2
34 GND
33 2A3
32 2A4
31 V_CC
30 2A5
29 2A6
28 GND
27 2A7
26 2A8
25 2OE
NC – No internal connection
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1998, Texas Instruments Incorporated
1