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HMT84GL7AMR4A Datasheet, PDF (5/36 Pages) Hynix Semiconductor – DDR3(L) SDRAM Load Reduced DIMM Based on 4Gb A-die
Pin Descriptions
Pin Name
Description
CK0
Clock Input, positive line
Num
ber
1
CK0
Clock Input, negative line
1
CK1
Clock Input, positive line
1
CK1
Clock Input, negative line
1
CKE[1:0] Clock Enables
2
Clock Enables
CKE[3:2], On Die Termination
ODT[1], TEST Memory bus tool (Not Con-
2
nected and Not Useable on
DIMMs)
RAS
Row Address Strobe
1
CAS
Column Address Strobe
1
WE
Write Enable
1
S[1:0]
Chip Selects
2
S[3:2], A17, Chip Selects
A16
Address Inputs
2
A[9:0],A11,
A[15:13]
Address Inputs
14
A10/AP Address Input/Autoprecharge 1
A12/BC Address Input/Burst chop
1
BA[2:0]
SDRAM Bank Addresses
3
SCL
Serial Presence Detect (SPD)
Clock Input
1
SDA
SPD Data Input/Output
1
SA[2:0] SPD Address Inputs
3
Pin Name
Description
Par_In
Err_Out
ODT[0]
DQ[63:0]
CB[7:0]
Parity bit for the Address and Con-
trol bus
Parity error found on the Address
and Control bus
On Die Termination Inputs
Data Input/Output
Data check bits Input/Output
DQS[8:0] Data strobes
DQS[8:0]
DM[8:0]/
DQS[17:9],
TDQS[17:9]
DQS[17:9],
TDQS[17:9]
EVENT
TEST
Data strobes, negative line
Data Masks / Data strobes,
Termination data strobes
Data Masks / Data strobes,
Termination data strobes
Reserved for optional hardware
temperature sensing
Memory bus test tool (Not Con-
nected and Not Usable on DIMMs)
RESET
Register and SDRAM control pin
VDD
VSS
VREFDQ
VREFCA
VTT
VDDSPD
Power Supply
Ground
Reference Voltage for DQ
Reference Voltage for CA
Termination Voltage
SPD Power
Num
ber
1
1
1
64
8
9
9
9
9
1
1
1
22
59
1
1
4
1
Rev. 0.3 / Jul. 2013
5