M5M4V64S20ATP-8 Datasheet, PDF (1/48 Pages) Mitsubishi Electric Semiconductor – 64M (4-BANK x 4194304-WORD x 4-BIT) Synchronous DRAM

SDRAM (Rev.0.2)
Jan'97 Preliminary
MITSUBISHI LSIs
M5M4V64S20ATP-8, -10, -12
64M (4-BANK x 4194304-WORD x 4-BIT) Synchronous DRAM
PRELIMINARY
Some of contents are subject to change without notice.
DESCRIPTION
PIN CONFIGURATION
(TOP VIEW)
The M5M4V64S20ATP is a 4-bank x 4194304-word x 4-bit
Synchronous DRAM, with LVTTL interface. All inputs and
Vdd 1
NC 2
outputs are referenced to the rising edge of CLK. The
VddQ 3
NC 4
54 Vss
53 NC
52 VssQ
51 NC
M5M4V64S20ATP achieves very high speed data rate up to
125MHz, and is suitable for main memory or graphic memory
in computer systems.
DQ0 5
VssQ 6
NC 7
NC ₈
VddQ 9
NC 10
50 DQ3
49 VddQ
48 NC
47 ^NC
46 VssQ
45 NC
FEATURES
- Single 3.3v±0.3v power supply
- Clock frequency 125MHz / 100MHz / 83MHz
DQ1 11
VssQ 12
NC 13
Vdd 14
NC 15
/WE 16
44 DQ2
43 VddQ
42 NC
41 Vss
40 NC (Vref)
39 DQM
- Fully synchronous operation referenced to clock rising edge
/CAS 17
/RAS 18
- 4 bank operation controlled by BA0, BA1 (Bank Address)
/CS 19
- /CAS latency- 2/3 (programmable)
BA0(A13) 20
BA1(A12) 21
- Burst length- 1/2/4/8 (programmable)
A10 22
A0 23
38 CLK
37 CKE
36 NC
35 A11
34 A9
33 A8
32 A7
- Burst type- sequential / interleave (programmable)
- Column access - random
- Auto precharge / All bank precharge controlled by A10
A1 24
A2 25
A3 26
Vdd 27
31 A6
30 A5
29 A4
28 Vss
- Auto refresh and Self refresh
- 4096 refresh cycles /64ms
- Column address A0-A9
- LVTTL Interface
- 400-mil, 54-pin Thin Small Outline Package (TSOP II) with
0.8mm lead pitch
M5M4V64S20ATP-8
M5M4V64S20ATP-10
M5M4V64S20ATP-12
Max.
Frequency
125MHz
100MHz
83MHz
CLK Access
Time
6ns
8ns
8ns
CLK
CKE
/CS
/RAS
/CAS
/WE
DQ0-3
DQM
A0-11
BA0,1
Vdd
VddQ
Vss
VssQ
: Master Clock
: Clock Enable
: Chip Select
: Row Address Strobe
: Column Address Strobe
: Write Enable
: Data I/O
: Output Disable/ Write Mask
: Address Input
: Bank Address
: Power Supply
: Power Supply for Output
: Ground
: Ground for Output
MITSUBISHI ELECTRIC
1