Integrated Device Technology, Inc.
The IDT Logo is a registered trademark of Integrated Device Technology, Inc.
3.3V CMOS
16-BIT REGISTERED
TRANSCEIVER
COMMERCIAL TEMPERATURE RANGE AUGUST 1996
1996 Integrated Device Technology, Inc. 8.10 DSC-3096/4
1
IDT74FCT163952A/B/C
FEATURES:
• 0.5 MICRON CMOS Technology
• Typical tSK(o) (Output Skew) < 250ps
• ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
• Packages include 25 mil pitch SSOP, 19.6 mil pitch
TSSOP and 15.7 mil pitch TVSOP
• Extended commercial range of -40°C to +85°C
•VCC = 3.3V ±0.3V, Normal Range or
VCC = 2.7 to 3.6V, Extended Range
• CMOS power levels (0.4µW typ. static)
• Rail-to-Rail output swing for increased noise margin
• Low Ground Bounce (0.3V typ.)
• Inputs (except I/O) can be driven by 3.3V or 5V
components
1OEAB
1CEBA
1CLKBA
1OEBA
1CEAB
1CLKAB
1A1
3096 drw 01
1B1
TO 7 OTHER CHANNELS
D
C
D
C
CE
CE
2OEAB
2CEBA
2CLKBA
2OEBA
2CEAB
2CLKAB
2A1
3096 drw 02
2B1
TO 7 OTHER CHANNELS
D
C
D
C
CE
CE
DESCRIPTION:
The FCT163952A/B/C 16-bit registered transceivers are
built using advanced dual metal CMOS technology. These
high-speed, low-power devices are organized as two independent 8-bit D-type registered transceivers with separate input
and output control for independent control of data flow in either
direction. For example, the A-to-B Enable (x
CEAB
) must be
LOW to enter data from the A port. xCLKAB controls the
clocking function. When xCLKAB toggles from LOW-to-HIGH,
the data present on the A port will be clocked into the register.
x
OEAB
performs the output enable function on the B port.
Data flow from the B port to A port is similar but requires using
x
CEBA
, xCLKBA, and x
OEBA
inputs. Full 16-bit operation is
achieved by tying the control pins of the independent transceivers together.
The FCT163952A/B/C have series current limiting resistors. These offer low ground bounce, minimal undershoot, and
controlled output fall times–reducing the need for external
series terminating resistors.
FUNCTIONAL BLOCK DIAGRAM