SN74CB3Q3345 Datasheet, PDF (1/11 Pages) Texas Instruments – 8 BIT FET BUS SWITCH 2.5V/3.3V LOW VOLTAGE HIGH BANDWIDTH BUS SWITCH

SN74CB3Q3345
8ĆBIT FET BUS SWITCH
2.5ĆV/3.3ĆV LOWĆVOLTAGE HIGHĆBANDWIDTH BUS SWITCH
SCDS144A − OCTOBER 2003 − REVISED NOVEMBER 2003
D High-Bandwidth Data Path
(Up To 500 MHz^†)
D 5-V Tolerant I/Os with Device Powered-Up
or Powered-Down
D Low and Flat ON-State Resistance (r_on)
Characteristics Over Operating Range
(r_on = 4 Ω Typical)
D Rail-to-Rail Switching on Data I/O Ports
− 0- to 5-V Switching With 3.3-V V_CC
− 0- to 3.3-V Switching With 2.5-V V_CC
D Bidirectional Data Flow, With Near-Zero
Propagation Delay
D Low Input/Output Capacitance Minimizes
Loading and Signal Distortion
(C_io(OFF) = 4 pF Typical)
D Fast Switching Frequency
(f_OE = 20 MHz Max)
† _{For additional information regarding the performance}
characteristics of the CB3Q family, refer to the TI
application report, CBT-C, CB3T, and CB3Q
Signal-Switch Families, literature number SCDA008.
D Data and Control Inputs Provide
Undershoot Clamp Diodes
D Low Power Consumption
(I_CC = 0.7 mA Typical)
D V_CC Operating Range From 2.3 V to 3.6 V
D Data I/Os Support 0 to 5-V Signaling Levels
(0.8-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, 5-V)
D Control Inputs Can be Driven by TTL or
5-V/3.3-V CMOS Outputs
D I_off Supports Partial-Power-Down Mode
Operation
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D ESD Performance Tested Per JESD 22
− 2000-V Human-Body Model
(A114-B, Class II)
− 1000-V Charged-Device Model (C101)
D Supports Both Digital and Analog
Applications: Differential Signal Interface,
Memory Interleaving, Bus Isolation,
Low-Distortion Signal Gating
DBQ, DGV, OR PW PACKAGE
(TOP VIEW)
OE ¹
A1 ²
A2 ³
A3 ⁴
A4 ⁵
A5 ⁶
A6 ⁷
A7 ⁸
A8 ⁹
GND ¹⁰
20 V_CC
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
RGY PACKAGE
(TOP VIEW)
1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
10
20
19 OE
18 B1
17 B2
16 B9
15 B4
14 B5
13 B6
12 B7
11
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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Copyright  2003, Texas Instruments Incorporated
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