HM5212325F Hitachi Semiconductor, HM5212325F Datasheet - Page 10

• Manufacturer Part Number: HM5212325F
• Description: 128M LVTTL interface SDRAM 100 MHz 1-Mword x 32-bit x 4-bank PC/100 SDRAM
• Manufacturer: Hitachi Semiconductor

HM5212325F-B60
Notes: 1. AC measurement assumes t
Test Conditions
10
Input and output timing reference levels: 1.5 V
Input waveform and output load: See following figures
2. Access time is measured at 1.5 V. Load condition is CL = 50 pF.
3. t
4. t
5. t
6. t
t
LZ
HZ
CES
AS
DS
/t
/t
input
(min) defines the time at which the outputs achieves the low impedance state.
(max) defines the time at which the outputs achieves the high impedance state.
AH
DH
define CKE setup time to CLK rising edge except power down exit command.
: Address, t
: Data-in, t
2.4 V
0.4 V
CES
CS
2.0 V
0.8 V
/t
/t
CEH
CH
: CS, RAS, CAS, WE, DQM.
: CKE
t
T
T
= 1 ns. Reference level for timing of input signals is 1.5 V.
t
T
I/O
CL