Refer to the PDF data sheet for device specific package drawings
The SN74CBT16214 provides 12 bits of high-speed TTL-compatible bus switching between three separate ports. The low ON-state resistance of the switch allows connections to be made with minimal propagation delay.
The device operates as a 12-bit bus-select switch via the data-select (S0–S2) terminals.
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
---|---|---|
SN74CBT16214DGG | TSSOP (56) | 8.10 mm × 14.00 mm |
SN74CBT16214DL | SSOP (56) | 10.35 mm x 18.42 mm |
Changes from L Revision (November 2001) to M Revision
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
S0 | 1 | I | Select 0 |
1A | 2 | I/O | Channel 1 A |
1B3 | 3 | I/O | Channel 1 B3 |
2A | 4 | I/O | Channel 2 A |
2B3 | 5 | I/O | Channel 2 B3 |
3A | 6 | I/O | Channel 3 A |
3B3 | 7 | I/O | Channel 3 B3 |
GND | 8 | — | Ground |
4A | 9 | I/O | Channel 4 A |
4B3 | 10 | I/O | Channel 4 B3 |
5A | 11 | I/O | Channel 5 A |
5B3 | 12 | I/O | Channel 5 B3 |
6A | 13 | I/O | Channel 6 A |
6B3 | 14 | I/O | Channel 6 B3 |
7A | 15 | I/O | Channel 7 A |
7B3 | 16 | I/O | Channel 7 B3 |
VCC | 17 | — | Power supply |
8A | 18 | I/O | Channel 8 A |
GND | 19 | — | Ground |
8B3 | 20 | I/O | Channel 8 B3 |
9A | 21 | I/O | Channel 9 A |
9B3 | 22 | I/O | Channel 9 B3 |
10A | 23 | I/O | Channel 10 A |
10B3 | 24 | I/O | Channel 10 B3 |
11A | 25 | I/O | Channel 11 A |
11B3 | 26 | I/O | Channel 11 B3 |
12A | 27 | I/O | Channel 12 A |
12B3 | 28 | I/O | Channel 12 B3 |
12B2 | 29 | I/O | Channel 12 B2 |
12B1 | 30 | I/O | Channel 12 B1 |
11B2 | 31 | I/O | Channel 11 B2 |
11B1 | 32 | I/O | Channel 11 B1 |
10B2 | 33 | I/O | Channel 10 B2 |
10B1 | 34 | I/O | Channel 10 B1 |
9B2 | 35 | I/O | Channel 9 B2 |
9B1 | 36 | I/O | Channel 9 B1 |
8B2 | 37 | I/O | Channel 8 B2 |
GND | 38 | — | Ground |
8B1 | 39 | I/O | Channel 8 B1 |
7B2 | 40 | I/O | Channel 7 B2 |
7B1 | 41 | I/O | Channel 7 B1 |
6B2 | 42 | I/O | Channel 6 B2 |
6B1 | 43 | I/O | Channel 6 B1 |
5B2 | 44 | I/O | Channel 5 B2 |
5B1 | 45 | I/O | Channel 5 B1 |
4B2 | 46 | I/O | Channel 4 B2 |
4B1 | 47 | I/O | Channel 4 B1 |
3B2 | 48 | I/O | Channel 3 B2 |
GND | 49 | I/O | Ground |
3B1 | 50 | I/O | Channel 3 B1 |
2B2 | 51 | I/O | Channel 2 B2 |
2B1 | 52 | I/O | Channel 2 B1 |
1B2 | 53 | I/O | Channel 1 B2 |
1B1 | 54 | I/O | Channel 1 B1 |
S2 | 55 | I | Select 2 |
S1 | 56 | I | Select 1 |
MIN | MAX | UNIT | |||
---|---|---|---|---|---|
VCC | Supply voltage | –0.5 | 7 | V | |
VI | Input voltage(2) | –0.5 | 7 | V | |
Continuous channel current | 128 | mA | |||
IIK | Input clamp current, (VI < 0) | 50 | mA | ||
Tstg | Storage temperature | –65 | 150 | °C |
VALUE | UNIT | |||
---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) | ±1000 | V |
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) | ±1500 |
MIN | MAX | UNIT | ||
---|---|---|---|---|
VCC | Supply voltage | 4 | 5.5 | V |
VIH | High-level control input voltage | 2 | V | |
VIL | Low-level control input voltage | 0.8 | V | |
TA | Operating free-air temperature | –40 | 85 | °C |
THERMAL METRIC(1) | SN74CBT16214 | UNIT | ||
---|---|---|---|---|
DGG (TSSOP) | DL (SSOP) | |||
56 PINS | 56 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 64 | 56 | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP(1) | MAX | UNIT | |||
---|---|---|---|---|---|---|---|---|
VIK | VCC = 4.5 V, | II = –18 mA | –1.2 | V | ||||
II | VCC = 0, | VI = 5.5 V | 10 | µA | ||||
VCC = 5.5 V, | VI = 5.5 V or GND | ±1 | ||||||
ICC | VCC = 5.5 V, | IO = 0, | VI = VCC or GND | 3 | µA | |||
∆ICC(2) | Control inputs | VCC = 5.5 V, | One input at 3.4 V, | Other inputs at VCC or GND | 2.5 | mA | ||
Ci | VI = 3 V or 0 | 4 | pF | |||||
Cio(OFF) | VO = 3 V or 0, | S0, S1, and S2 = GND | 7.5 | pF | ||||
ron(3) | VCC = 4 V, TYP at VCC = 4 V |
VI = 2.4 V, | II = 15 mA | 14 | 20 | Ω | ||
VCC = 4.5 V | VI = 0 | II = 64 mA | 4 | 7 | Ω | |||
II = 30 mA | 4 | 7 | ||||||
VI = 2.4 V, | II = 15 mA | 6 | 12 |
PARAMETER | FROM (INPUT) |
TO (OUTPUT) |
VCC = 4 V | VCC = 5 V ± 0.5 V | UNIT | ||
---|---|---|---|---|---|---|---|
MIN | MAX | MIN | MAX | ||||
tpd(1) | A or B | B or A | 0.35 | 0.25 | ns | ||
tpd | S | B or A | 15.3 | 5.5 | 13.9 | ns | |
ten | S | A or B | 16 | 5.1 | 14.5 | ns | |
tdis | S | A or B | 12.1 | 3.6 | 11.7 | ns |
The SN74CBT16214 provides 12 bits of high-speed TTL-compatible bus switching between three separate ports. The low ON-state resistance of the switch allows connections to be made with minimal propagation delay.
The device operates as a 12-bit bus-select switch via the data-select (S0–S2) terminals.
The typical RON for each port is 5 Ω, reducing the amount of signal attenuation through the switch from higher impedance switches. Inputs operate with TTL-compatible voltages.
Table 1 lists the functional modes for SN74CBT16214.
INPUTS | INPUT/OUTPUT A |
FUNCTION | ||
---|---|---|---|---|
S2 | S1 | S0 | ||
L | L | L | Z | Disconnect |
L | L | H | B1 | A port = B1 port |
L | H | L | B2 | A port = B2 port |
L | H | H | Z | Disconnect |
H | L | L | Z | Disconnect |
H | L | H | B3 | A port = B3 port |
H | H | L | B1 | A port = B1 port |
H | H | H | B2 | A port = B2 port |