VSC7216-02
Data Sheet
DC Characteristics
Table 20. DC Characteristics
Symbol Parameter
Min
Typ
Max
Unit
Condition
TTL Outputs: Rn[7:0], KCHn, IDLEn, ERRn, RCLKn/RCLKNn, TBERRn, PSDETn, RSDETn, WSO
VOH
VOH
TTL output HIGH voltage
TTL output HIGH voltage
2.4
V
IOH = –8.0mA, VDDT = 3.3V.
VDDT
200mV
–
IOH = –2.0mA, VDDT = 2.5V.
V
VOL
IOZ
TTL output LOW voltage
IOL = 8.0mA,VDDT = 2.5V or
3.3V.
0.5
V
TTL output leakage current
Set to high-impedance state
through JTAG.
100
µA
V
DDT = 2.5V or 3.3V.
TTL Inputs: TBCn, Tn[7:0], C/Dn, WSENn, KCHAR, RATE, BIST, LBENn[1:0], TMODE[2:0], RMODE[1:0], RXFIFO[1:0], DUAL,
PTXENn, RTXENn, RXP/Rn, RESETN, ENDEC, WSI, FLOCK, TRSTN, TDI, TDO, TMS, TCK
VIH
VIL
IIH
TTL input HIGH voltage
TTL input LOW voltage
TTL input HIGH current
2.0
0
5.5
0.8
V
V
VDDT = 2.5V or 3.3V.
VDDT = 2.5V or 3.3V.
VIN = 2.4V, VDDT = 2.5V or
3.3V.(1)
100
µA
µA
IIL
TTL input LOW current
VIN = 0.5V, VDDT = 2.5V or
3.3V.
–100
PECL Inputs: REFCLKP/REFCLKN
VIH
VIL
PECL input HIGH voltage
VDD – 1.1
VDD – 2.0
VDD – 0.7
VDD – 1.5
200
V
V
PECL input LOW voltage
(1)
IIH
PECL input HIGH current
µA
µA
mV
V
VIN = VIH(MAX).
IIL
PECL input LOW current
PECL input peak-to-peak voltage swing(2)
–50
200
VIN = VIL(MIN)
AC-coupled.
.
ΔVIN
VCM
VBIAS
PECL input common-mode voltage
VDD – 1.5
VDD – 0.7
REFCLKP/REFCLKN internal input bias
voltage
1.4
V
PECL Outputs: PTXn+/–, RTXn+/–
ΔVOUT
PECL peak-to-peak output voltage swing(2)
500
900
mV
100Ω differential load.
PECL Inputs: PRXn+/–, RRXn+/–
ΔVIN
PECL peak-to-peak input voltage swing(2)
100
1300
mV
V
AC-coupled.
VCM
PECL input common-mode voltage
VDD –1.5
VDD – 0.7
Miscellaneous (VDD = 2.5V, VDDT = 2.5V)
PD
Power dissipation
Supply current
700
280
840
320
mW
mA
Typical at VDD = VDDT = 2.5V,
at 1.36Gb/s, outputs open,
redundant I/O disabled.
IDD
Miscellaneous (VDD = 2.5V, VDDT = 3.3V)
PD
Power dissipation
Supply current
800
320
880
335
mW
mA
Typical at VDD = 2.5V,
V
DDT = 3.3V, at 1.36Gb/s,
IDD
outputs open, redundant
I/O disabled.
1. The VSC7216-02 has weak internal pull-ups on chip.
2. Single-ended, peak-to-peak measurement results are quoted. Differential techniques used in Fibre Channel would yield values that
are twice the magnitude. See following diagram:
Tx+
ΔV
OUT
Tx-
28 of 40
G52367 Revision 4.2
December 2006
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
