M36W432T Datasheet, PDF (9/57 Pages) STMicroelectronics – 32 Mbit 2Mb x16, Boot Block Flash Memory and 4 Mbit 256K x16 SRAM, Multiple Memory Product

M36W432T, M36W432B
Table 2. Main Operation Modes
Operation
Mode
EF GF WF RPF WPF
V_PPF
E1S E2S GS WS _{UBS, LBS} ⁽¹⁾ DQ15-DQ0
Read
V_IL V_IL V_IH V_IH X Don't care
SRAM must be disabled
Data
Output
Write
V_IL V_IH V_IL V_IH V_IH
V_DDF or
V_PPFH
SRAM must be disabled
Data Input
Block
Locking
V_IL X X V_IH V_IL Don't care
SRAM must be disabled
X
Standby VIH X X VIH X Don't care
Any SRAM mode is allowed
Hi-Z
Reset
X X X VIL X Don't care
Any SRAM mode is allowed
Hi-Z
Output
Disable
V_IL V_IH V_IH V_IH X Don't care
Any SRAM mode is allowed
Hi-Z
Read
Flash must be disabled
V_IL V_IH V_IL V_IH
V_IL
Data out
Word Read
Write
Flash must be disabled
V_IL V_IH V_IH V_IL
V_IL
Data in
Word Write
Standby/
Power
Down
V_IH X X X
X
Hi-Z
Any Flash mode is allowable
X VIL X X
X
Hi-Z
XXXX
V_IH
Hi-Z
V_IH X X X
X
Hi-Z
Data
Retention
Any Flash mode is allowable
X VIL X X
X
Hi-Z
XXXX
V_IH
Hi-Z
Output
Disable
Any Flash mode is allowable
V_IL V_IH V_IH V_IH
X
Note: X = V_IL or V_IH, V_PPFH = 12V ± 5%.
1. If UBS and LBS are tied together the bus is at 16 bit. For an 8 bit bus configuration use UBS and LBS separately.
Hi-Z
9/57