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BH16646DGG 반도체 회로 부품 판매점

16-bit bus transceiver/register 3-State



NXP Semiconductors 로고
NXP Semiconductors
BH16646DGG 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
74ABT16646
74ABTH16646
16-bit bus transceiver/register (3-State)
Product specification
Supersedes data of 1995 Aug 17
IC23 Data Handbook
1998 Feb 27
Philips
Semiconductors


BH16646DGG 데이터시트, 핀배열, 회로
Philips Semiconductors
16-bit bus transceiver/register (3-State)
Product specification
74ABT16646
74ABTH16646
FEATURES
Independent registers for A and B buses
Multiple VCC and GND pins minimize switching noise
Live insertion/extraction permitted
Power–up 3-State
Power–up reset
Multiplexed real-time and stored data
Outputs sink 64mA and source 32mA
Latch–up protection exceeds 500mA per JEDEC Std 17
74ABTH16646 incorporates bus-hold data inputs which eliminate
the need for external pull-up resistors to hold unused inputs
ESD protection exceeds 2000V per MIL STD 883 Method 3015
and 200V per Machine Model
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH Propagation delay
tPHL
nAx to nBx
CIN Input capacitance
CI/O I/O capacitance
ICCZ
Quiescent supply current
DESCRIPTION
The 74ABT16646 high–performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
The 74ABT16646 16-bit transceiver/register consists of two sets of
bus transceiver circuits with 3-State outputs, D-type flip-flops, and
control circuitry arranged for multiplexed transmission of data
directly from the input bus or from the internal registers. Data on the
A or B bus will be clocked into the registers as the appropriate clock
pin goes High. Output Enable (nOE) and Direction (nDIR) pins are
provided to control the transceiver function. In the transceiver mode,
data present at the high impedance port may be stored in either the
A or B register or both.
The select (nSAB, nSBA) pins determine whether data is stored or
transferred through the device in real-time. The nDIR determines
which bus will receive data when the nOE is active Low. In the
isolation mode (nOE = High), data from Bus A may be stored in the
B register and/or data from Bus B may be stored in the A register.
When an output function is disabled, the input function is still
enabled and may be used to store and transmit data. Only one of
the two buses, A or B may be driven at a time.
Two options are available, 74ABT16646 which does not have the
bus-hold feature and 74ABTH16646 which incorporates the
bus-hold feature.
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF; VCC = 5V
VI = 0V or VCC
VO = 0V or VCC; 3-State
Outputs disabled; VCC =5.5V
Outputs low; VCC =5.5V
TYPICAL
3.3
2.7
3
7
550
9
UNIT
ns
pF
pF
µA
mA
ORDERING INFORMATION
PACKAGES
56-Pin Plastic SSOP Type III
56-Pin Plastic TSSOP Type II
56-Pin Plastic SSOP Type III
56-Pin Plastic TSSOP Type II
TEMPERATURE RANGE OUTSIDE NORTH AMERICA
–40°C to +85°C
74ABT16646 DL
–40°C to +85°C
74ABT16646 DGG
–40°C to +85°C
74ABTH16646 DL
–40°C to +85°C
74ABTH16646 DGG
NORTH AMERICA
BT16646 DL
BT16646 DGG
BH16646 DL
BH16646 DGG
DWG NUMBER
SOT371-1
SOT364-1
SOT371-1
SOT364-1
PIN DESCRIPTION
PIN NUMBER
2, 55, 27, 30
3, 54, 26, 31
1, 28
5, 6, 8, 9, 10, 12, 13, 14
15, 16, 17, 19, 20, 21, 23, 24
52, 51, 49, 48, 47, 45, 44, 43
42, 41, 40, 38, 37, 36, 34, 33
56, 29
4, 11, 18, 25, 32, 39, 46, 53
7, 22, 35, 50
SYMBOL
1CPAB, 1CPBA, 2CPAB, 2CPBA
1SAB, 1SBA, 2SAB, 2SBA
1DIR, 2DIR
1A0 – 1A7,
2A0 – 2A7
1B0 – 1B7,
2B0 – 2B7
1OE, 2OE
GND
VCC
NAME AND FUNCTION
Clock input A to B / Clock input B to A
Select input A to B / Select input B to A
Direction control inputs
Data inputs/outputs (A side)
Data inputs/outputs (B side)
Output enable inputs
Ground (0V)
Positive supply voltage
1998 Feb 27
2 853-1782 19026




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BH16646DGG

16-bit bus transceiver/register 3-State - NXP Semiconductors