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CBT3245 Datasheet

Octal bus switch with output enable

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INTEGRATED CIRCUITS
CBT3245
Octal bus switch with output enable
Preliminary specification
1998 Dec 08
Philips
Semiconductors


NXP Semiconductors Electronic Components Datasheet

CBT3245 Datasheet

Octal bus switch with output enable

No Preview Available !

Philips Semiconductors
Octal bus switch with output enable
Preliminary specification
CBT3245
FEATURES
Functionally equivalent to QS3245
Standard ’245-type pinout
5switch connection between two ports
TTL compatible control input levels
Package options include plastic small outline (D), shrink small
outline (DB), thin shrink small outline (TSSOP)
DESCRIPTION
The CBT3245 provides eight bits of high-speed TTL-compatible bus
switching in a standard ’245 device pinout. The low on-state
resistance of the switch allows connections to be made with minimal
propagation delay.
The CBT3245 device is organized as one 8-bit switch. When enable
(OE) is low, the switch is on and port A is connected to port B.
When OE is high, the switch is open and a high-impedance state
exists between the two ports.
The CBT3245 is characterized for operation from –40°C to 85°C.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH
tPHL
CIO(OFF)
ICCZ
Propagation delay
An to Yn
Pin capacitance (OFF state)
Total supply current
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF; VCC = 5V
VO = 3V or 0V
Outputs disabled; VCC =5.5V
TYPICAL
6
UNIT
ns
pF
µA
ORDERING INFORMATION
PACKAGES
20-Pin plastic SO
20-Pin Plastic SSOP Type II
20-Pin Plastic TSSOP Type I
TEMPERATURE RANGE OUTSIDE NORTH AMERICA
–40°C to 85°C
CBT3245 D
–40°C to 85°C
CBT3245 DB
–40°C to 85°C
CBT3245 PW
NORTH AMERICA
CBT3245 D
CBT3245 DB
CBT3245PW DH
DWG NUMBER
SOT163-1
SOT339-1
SOT360-1
PIN CONFIGURATION
NC 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 VCC
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
PIN DESCRIPTION
PIN NUMBER
SYMBOL
1 NC
19 OE
2, 3, 4, 5, 6, 7, 8, 9
A1–A8
18, 17, 16, 15, 14,
13, 12, 11
B1–B8
10 GND
20 VCC
NAME AND FUNCTION
No internal connection
Output enable input
Ground (0V)
Positive supply voltage
SA00507
1998 Dec 08
2


Part Number CBT3245
Description Octal bus switch with output enable
Maker NXP
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CBT3245 Datasheet PDF






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