IDT72T6480 Integrated Device Technology, IDT72T6480 Datasheet - Page 10

• Manufacturer Part Number: IDT72T6480
• Description: X48 Sequential Flow-control Device Up To 1gigabit
• Manufacturer: Integrated Device Technology

PIN NUMBER LOCATION TABLE
PIN DESCRIPTIONS (Continued)
IDT72T6480 2.5V, SEQUENTIAL FLOW-CONTROL DEVICE
x12, x24, x48 BIT WIDE CONFIGURATION
POWER AND GROUND SIGNALS
V
AV
V
V
GND
AGND
A[12:0]
BM[3:0]
D[47:0]
DQ[63:0] Memory Data Bus
DQS[7:0] Memory Data
Q[47:0]
V
V
GND
Symbol
Symbol
DDQ
DDQ
CC
REF
CC
CC
Memory Address
Bus
Bus-Matching
Data Inputs
Strobe
Data Outputs
Core V
voltage for DDR
SDRAM
Output rail voltage for
I/Os
Ground Pin
See Pin table Ground Pin
Location
No. table
No. table
See Pin
See Pin
Pin No.
B7, D7
E6, E7
D16
Name
CC
& Output
Core V
Output voltage
for
Internal PLL V
Output rail voltage
for I/Os
Reference Voltage
Ground pin for
analog circuit
DDR SDRAM
Bi-Directional DQ63-H17, DQ62-G15, DQ61-G16, DQ60-G18, DQ59-F14, DQ58-F15, DQ57-F18, DQ56-F17,
Bi-Directional DQS7-G17, DQS6-D18, DQS5-B16, DQS4-B13, DQS3-G1, DQS2-E3, DQS1-B3, DQS0-D5
Name
2.5V LVTTL
2.5V LVTTL D25-N3, D24-N4, D23-N5, D22-M2, D21-M1, D20-M3, D19-M4, D18-M5, D17-L2, D16-L1, D15-L3,
2.5V LVTTL Q27-T17, Q26-R17, Q25-P17, Q24-T18, Q23-N14, Q22-R18, Q21-P18, Q20-N17, Q19-N16, Q18-N18,
CC
OUTPUT
I/O TYPE
SSTL_2
SSTL_2
SSTL_2
Ground
3.3V or
3.3V or
3.3V or
INPUT
INPUT
Power
Power
Output
and
CC
D47-V4, D46-U5, D45-R5, D44-V3, D43-U4, D42-U3, D41-T5, D40-T4, D39-T3, D38-R4, D37-T2,
A12-D11, A11-C10, A10-B10, A9-A10, A8-D10, A7-D9, A6-C9, A5-A9, A4-B9, A3-D8, A2-C8, A1-A8, A0-B8
BM3-P9, BM2-R9, BM1-T9, BM0-U9
D36-T1, D35-R2, D34-R1, D33-R3, D32-P2, D31-P1, D30-P3, D29-P4, D28-P5, D27-N2, D26-N1,
D14-L4, D13-L5, D12-K2, D11-K1, D10-K3, D9-K4, D8-K5, D7-J5, D6-J4, D5-J3, D4-J1, D3-J2, D2-H5,
D1-H4, D0-H3
DQ55-F16, DQ54-E15, DQ53-E18, DQ52-E17, DQ51-D17, DQ50-C18, DQ49-C17, DQ48-E16,
DQ47-C15, DQ46-D15, DQ45-C16, DQ44-B15, DQ43-D14, DQ42-E14, DQ41-C14, DQ40-A16,
DQ39-B14, DQ38-A15, DQ37-C13, DQ36-A14, DQ35-A13, DQ34-C12, DQ33-D13, DQ32-B12,
DQ31-H2, DQ30-G5, DQ29-G4, DQ28-G3, DQ27-G2, DQ26-F5, DQ25-F4, DQ24-F3, DQ23-F1,
DQ22-F2, DQ21-E5, DQ20-E4, DQ19-E1, DQ18-E2, DQ17-D3, DQ16-D1, DQ15-D2, DQ14-C1,
DQ13-C2, DQ12-C4, DQ11-C3, DQ10-A3, DQ9-B4, DQ8-A4, DQ7-D4, DQ6-C5, DQ5-B5, DQ4-A5,
DQ3-C6, DQ2-B6, DQ1-A6, DQ0-D6,
Q47-P13, Q46-R13, Q45-T13, Q44-V14, Q43-U14, Q42-R14, Q41-T14, Q40-V15, Q39-U15, Q38-V16,
Q37-U16, Q36-T16, Q35-T15, Q34-R15, Q33-P15, Q32-P14, Q31-P16, Q30-R16, Q29-N15, Q28-M15,
Q17-M18, Q16-M17, Q15-M16, Q14-L18, Q13-L15, Q12-K16, Q11- L16, Q10-L17, Q9-K18, Q8-K17,
Q7-K15, Q6-J15, Q5-J16, Q4-J18, Q3-J17, Q2-H15, Q1-H16, Q0-H18
E(8-13), F(6-13), G(6,7,12-14), H6, J6, K6, L(6,7), M(6-8), N(6-11), P8
H(13,14), J(13,14), K(13,14), L(13,14), M(12-14), N(12,13)
A(1,2,17,18), B(1,2,17,18), G(8-11), H(7-12), J(7-12), K(7-12), L(8-12), M(9-11), U(1,2,17,18),
V(1,2,17,18)
Ground
Ground
I/O TYPE
Power
Power
Power
Power
The core power supply pins for the device as well as to the external DDR SDRAM.
Needs to be connected to a +2.5V V
The power supply pins for the internal PLL of the device. Needs to be connected to a
+2.5V supply rail.
This pin is used to provide power to the output drivers. The nominal values are 2.5V or
This is a voltage reference input to the SDRAM and must be connected to V
The ground pins for the device that must be connected to the ground plane.
The ground pins for the analog circuitry in the device that must be connected to the ground
plane.
3.3V, depending on the state of the IOSEL pin.
10
Pin Number
Description
CC
power plane.
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
OCTOBER 10, 2005
CC/2
.