參數(shù)資料
型號: 935271056112
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: 5.30 MM, PLASTIC, MO-150, SOT-339-1, SSOP-20
文件頁數(shù): 3/10頁
文件大?。?/td> 83K
代理商: 935271056112
Philips Semiconductors
Product data
CBT3245A
Octal bus switch
2
2002 Feb 18
853-2313 27745
FEATURES
Standard ’245-type pinout
5 switch 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)
Latch-up protection exceeds 500 mA per JESD78
ESD protection exceeds 2000 V HBM per JESD22-A114,
150 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
DESCRIPTION
The CBT3245A 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 CBT3245A 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 CBT3245A is characterized for operation from –40 to 85
°C.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
Tamb = 25 °C; GND = 0 V
TYPICAL
UNIT
tPLH
tPHL
Propagation delay
An to Yn
CL = 50 pF; VCC = 5 V
250
ps
CIO(OFF)
Pin capacitance (OFF state)
VO = 3 V or 0 V
6.6
pF
ICC
Quiescent supply current
VCC =5.5 V; IO = 0; VI = VCC or GND
1
A
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
ORDER CODE
DWG NUMBER
20-Pin Plastic TSSOP
–40 to 85
°C
CBT3245APW
SOT360-1
20-Pin Plastic SSOP
–40 to 85
°C
CBT3245ADB
SOT339-1
20-Pin Plastic SOP
–40 to 85
°C
CBT3245AD
SOT163-1
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
NC
A1
A2
A3
A4
A5
A6
A7
A8
B7
GND
B6
B5
B4
B3
B2
B1
OE
VCC
B8
SA00507
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
NC
No internal connection
19
OE
Output enable input
2, 3, 4, 5, 6, 7, 8, 9
A1–A8
Inputs
18, 17, 16, 15, 14,
13, 12, 11
B1–B8
Outputs
10
GND
Ground (0V)
20
VCC
Positive supply voltage
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