IS43DR16640A-3DBL INTEGRATED SILICON SOLUTION (ISSI), IS43DR16640A-3DBL Datasheet - Page 2

• Manufacturer Part Number: IS43DR16640A-3DBL
• Description: SDRAM, DDR2, 64M X 16, 1.8V, 84BGA
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS43DR16640A-3DBL

• Access Time: 0.45ns
• Memory Case Style: BGA
• No. Of Pins: 84
• Memory Type: SDRAM
• Memory Configuration: 8 BLK (8M X 16)
• Page Size: 1GB
• Operating Temperature Range: 0°C To +70°C
• Frequency: 333MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS43/46DR81280A, IS43/46DR16640A
Package Ball-out and Description
DDR2 SDRAM (128Mx8) TW-BGA Ball-out (Top-View) (8.00mm x 13.65mm Body, 0.8mm pitch)
Integrated Silicon Solution, Inc. – www.issi.com –
Rev. B, 06/01/2011
RAS#,CAS#,WE#
RDQS, RDQS#
DQS, DQS#
DQ[7:0]
Symbol
CK, CK#
BA[2:0]
A[13:0]
VDDQ
VSSDL
VSSQ
VDDL
VREF
VDD
ODT
CKE
CS#
DM
VSS
NC
Description
Input clocks
Clock enable
Chip Select
Command control pins
Address
Bank Address
I/O
Data Strobe
Redundant Data Strobe
Input data mask
Supply voltage
Ground
DQ power supply
DQ ground
Reference voltage
DLL power supply
DLL ground
On Die Termination Enable
No connect
Notes:
1. Pins B3 and A2 have identical capacitance as pins B7
and A8.
2. For a read, when enabled, strobe pair RDQS & RDQS#
are identical in function and timing to strobe pair DQS &
DQS# and input masking function is disabled.
3. The function of DM or RDQS/RDQS# are enabled by
EMRS command.
4. VDDL and VSSDL are power and ground for the DLL.
2